Mark all functions defined in compiler-builtins as nounwind #121605

nbdd0121 · 2024-02-25T20:58:19Z

Treat functions in compiler-builtins as nounwind. Suggested in rust-lang/compiler-builtins#578 (comment).

A prerequisite for #116088

r? @Amanieu
cc @RalfJung

DianQK · 2024-02-25T22:54:32Z

Would it be more appropriate to apply rustc_nounwind to the crate level?

Amanieu · 2024-02-26T02:08:42Z

I think it's fine to special case it for now. If we ever want a crate-level attribute then we could revisit this.

@bors r+

bors · 2024-02-26T02:08:45Z

📌 Commit 77dcc65 has been approved by Amanieu

It is now in the queue for this repository.

saethlin · 2024-02-26T03:58:25Z

This might improve MIR optimizations. I previously found that #[rustc_nounwind] functions could have landing pads generated for them in MIR and recently added a MIR optimization that enables removing them: https://github.com/rust-lang/rust/pull/120594/files#diff-599b525825845c57f49b8c7ba0ca19e8434f1d34a1b9b73db3be84f4f673066d

Queue looks light, so this might be nice to help perf triage:
@bors rollup=iffy

bors · 2024-02-26T04:24:43Z

⌛ Testing commit 77dcc65 with merge 79dafdd...

Mark all functions defined in compiler-builtins as nounwind Treat functions in compiler-builtins as nounwind. Suggested in rust-lang/compiler-builtins#578 (comment). A prerequisite for rust-lang#116088 r? `@Amanieu` cc `@RalfJung`

rust-log-analyzer · 2024-02-26T04:54:10Z

The job arm-android failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

---- [ui] tests/ui/async-await/deep-futures-are-freeze.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/async-await/deep-futures-are-freeze.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "--out-dir" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/async-await/deep-futures-are-freeze" "-A" "unused" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/async-await/deep-futures-are-freeze/auxiliary" "-Copt-level=s" "-Clto=fat" "--edition=2021"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustcOTBgTS/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/async-await/deep-futures-are-freeze/deep-futures-are-freeze.deep_futures_are_freeze.e53591368acd06c7-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/async-await/deep-futures-are-freeze/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/async-await/deep-futures-are-freeze/deep-futures-are-freeze" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 4 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs#fat1 stdout ----

error in revision `fat1`: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "--cfg" "fat1" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat1/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat1/auxiliary" "-C" "opt-level=1" "-C" "lto=fat"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustc57NL4f/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat1/a.issue_64655_extern_rust_must_allow_unwind.56e668df17fe0d16-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat1/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat1/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 5 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.rs#fat stdout ----

error in revision `fat`: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "--cfg" "fat" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.fat/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.fat/auxiliary" "-C" "lto=fat"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustcqtvDpx/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.fat/a.issue_64655_allow_unwind_when_calling_panic_directly.41846d3f0a9343bd-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.fat/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-allow-unwind-when-calling-panic-directly.fat/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 5 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs#fat2 stdout ----

error in revision `fat2`: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "--cfg" "fat2" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat2/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat2/auxiliary" "-C" "opt-level=2" "-C" "lto=fat"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustc41aq4v/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat2/a.issue_64655_extern_rust_must_allow_unwind.56e668df17fe0d16-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat2/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat2/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 5 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs#fat3 stdout ----

error in revision `fat3`: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "--cfg" "fat3" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat3/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat3/auxiliary" "-C" "opt-level=3" "-C" "lto=fat"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustcDWSqbH/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat3/a.issue_64655_extern_rust_must_allow_unwind.56e668df17fe0d16-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat3/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat3/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 5 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs#fat0 stdout ----

error in revision `fat0`: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/extern/issue-64655-extern-rust-must-allow-unwind.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "--cfg" "fat0" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat0/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat0/auxiliary" "-C" "opt-level=0" "-C" "lto=fat"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustc3vviGB/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat0/a.issue_64655_extern_rust_must_allow_unwind.56e668df17fe0d16-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat0/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/extern/issue-64655-extern-rust-must-allow-unwind.fat0/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 4 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/lto/debuginfo-lto.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/lto/debuginfo-lto.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/debuginfo-lto/a" "-A" "internal_features" "-Crpath" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/debuginfo-lto/auxiliary" "-C" "lto" "-g"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustcjzEIf2/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/debuginfo-lto/a.debuginfo_lto.505f9bd313adf355-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/debuginfo-lto/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/debuginfo-lto/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/auxiliary" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 4 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/lto/fat-lto.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/lto/fat-lto.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/fat-lto/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/fat-lto/auxiliary" "-Clto=fat"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustcbcSfu2/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/fat-lto/a.fat_lto.5061d16849ec086d-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/fat-lto/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/fat-lto/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 4 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/lto/lto-many-codegen-units.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/lto/lto-many-codegen-units.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-many-codegen-units/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-many-codegen-units/auxiliary" "-C" "lto" "-C" "codegen-units=8"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustctYGDhT/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-many-codegen-units/a.lto_many_codegen_units.e5eefad3cc6109f4-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-many-codegen-units/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-many-codegen-units/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 4 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/lto/lto-rustc-loads-linker-plugin.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/lto/lto-rustc-loads-linker-plugin.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-rustc-loads-linker-plugin/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-rustc-loads-linker-plugin/auxiliary" "-C" "lto"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustc6OvK0N/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-rustc-loads-linker-plugin/a.lto_rustc_loads_linker_plugin.8538ebd2449e123d-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-rustc-loads-linker-plugin/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-rustc-loads-linker-plugin/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 4 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/lto/lto-still-runs-thread-dtors.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/lto/lto-still-runs-thread-dtors.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-still-runs-thread-dtors/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-still-runs-thread-dtors/auxiliary" "-C" "lto"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustc6iWQ6J/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-still-runs-thread-dtors/a.lto_still_runs_thread_dtors.d475cc2c7537d7f7-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-still-runs-thread-dtors/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/lto/lto-still-runs-thread-dtors/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 4 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/panic-runtime/lto-abort.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/panic-runtime/lto-abort.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/panic-runtime/lto-abort/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/panic-runtime/lto-abort/auxiliary" "-C" "lto" "-C" "panic=abort"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustc8CyEiM/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/panic-runtime/lto-abort/a.lto_abort.b51b643a3ca9070b-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/panic-runtime/lto-abort/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/panic-runtime/lto-abort/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 5 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/panic-runtime/lto-unwind.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/panic-runtime/lto-unwind.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/panic-runtime/lto-unwind/a" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/panic-runtime/lto-unwind/auxiliary" "-C" "lto" "-C" "panic=unwind"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustcoWqILp/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/panic-runtime/lto-unwind/a.lto_unwind.1856a4b1baa85341-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/panic-runtime/lto-unwind/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/panic-runtime/lto-unwind/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 5 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------



---- [ui] tests/ui/sepcomp/sepcomp-lib-lto.rs stdout ----

error: test compilation failed although it shouldn't!
status: exit status: 1
command: RUSTC_ICE="0" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/bin/rustc" "/checkout/tests/ui/sepcomp/sepcomp-lib-lto.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/cargo" "--sysroot" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2" "--target=arm-linux-androideabi" "-O" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/sepcomp/sepcomp-lib-lto/a" "-A" "internal_features" "-Crpath" "-Lnative=/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-Clinker=/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/sepcomp/sepcomp-lib-lto/auxiliary" "-C" "lto" "-g"
--- stderr -------------------------------
--- stderr -------------------------------
error: linking with `/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang` failed: exit status: 1
   |
   = note: LC_ALL="C" PATH="/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/android/sdk/emulator:/android/sdk/tools:/android/sdk/platform-tools" VSLANG="1033" "/android/ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/armv7a-linux-androideabi19-clang" "/tmp/rustceyE3uT/symbols.o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/sepcomp/sepcomp-lib-lto/a.sepcomp_lib_lto.a228a924d37705c5-cgu.0.rcgu.o" "-Wl,--as-needed" "-L" "/checkout/obj/build/arm-linux-androideabi/native/rust-test-helpers" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/sepcomp/sepcomp-lib-lto/auxiliary" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,-Bstatic" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib" "-Wl,-Bdynamic" "-ldl" "-llog" "-lunwind" "-ldl" "-lm" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib" "-o" "/checkout/obj/build/x86_64-unknown-linux-gnu/test/ui/sepcomp/sepcomp-lib-lto/a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs" "-Wl,-rpath,$ORIGIN/auxiliary" "-Wl,-rpath,$ORIGIN/../../../../stage2/lib/rustlib/arm-linux-androideabi/lib" "-Wl,--enable-new-dtags" "-Wl,-z,origin"
   = note: ld: error: undefined symbol: core::panicking::panic_cannot_unwind::h06d0281376d96f20
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.055
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.055.rcgu.o:(__sync_fetch_and_add_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.056
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.056.rcgu.o:(__sync_fetch_and_sub_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced by compiler_builtins.bc2672c83a4af70b-cgu.063
           >>>               compiler_builtins-28f87f6e0f083600.compiler_builtins.bc2672c83a4af70b-cgu.063.rcgu.o:(__sync_val_compare_and_swap_4) in archive /checkout/obj/build/x86_64-unknown-linux-gnu/stage2/lib/rustlib/arm-linux-androideabi/lib/libcompiler_builtins-28f87f6e0f083600.rlib
           >>> referenced 4 more times
           clang-14: error: linker command failed with exit code 1 (use -v to see invocation)

error: aborting due to 1 previous error
------------------------------------------

bors · 2024-02-26T04:54:43Z

💔 Test failed - checks-actions

RalfJung · 2024-02-26T06:54:12Z

My understanding is that on its own this does nothing since the crate does not set feature(c_unwind)?

RalfJung · 2024-02-26T06:56:44Z

Hm no that does not seem right; c_unwind is only checked later in fn_can_unwind. I must have misunderstood what others said yesterday.

RalfJung · 2024-03-04T18:48:34Z

@bors r- (PR got requeued by sync)

nbdd0121 · 2024-03-07T11:45:28Z

The error is caused by

https://github.com/rust-lang/compiler-builtins/blob/351d48e4b95f1665cfd3360e3ba8f3dd4d3fb3c1/src/arm_linux.rs#L7

which uses extern "C", but since compiler-builtins do not have feature(c_unwind) enabled, it is treated as unwindable.

Some options here:

Update compiler-builtins to add feature(c_unwind), and bunble version bump together with this PR. But this will mean that the compiler-builtins CI will be broken after the change and before this PR is merged.
Add special casing to fn_can_unwind in this PR so that compiler_builtins is treated as effectively with feature(c_unwind)
Drop this PR and make the change together in c_unwind stabilisation.

What's the best action here?

Amanieu · 2024-03-07T11:47:47Z

FWIW compiler-builtins CI is currently already broken due to #121552.

I would just go with option 3.

Amanieu · 2024-03-18T20:21:00Z

I believe #122580 will make this PR unnecessary.

saethlin · 2024-03-18T21:11:35Z

The justification I mentioned above still applies: #121605 (comment)

BatmanAoD · 2024-03-27T05:15:09Z

@nbdd0121 Are you going to incorporate (or have you already incorporated) these changes into #116088, or are you still considering options #1 or #2 from your comment above?

RalfJung · 2024-05-11T13:21:47Z

I think this is not needed any more: rust-lang/compiler-builtins#583 landed, so compiler_builtins is now already working fine with proper c_unwind behavior. So, closing the PR (and the commit should be removed from #116088).

Mark all functions defined in compiler-builtins as nounwind

77dcc65

rustbot assigned Amanieu Feb 25, 2024

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Feb 25, 2024

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Feb 26, 2024

bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Feb 26, 2024

RalfJung mentioned this pull request Feb 26, 2024

Add a bunch of rustc_nounwind for c_unwind rust-lang/compiler-builtins#578

Closed

bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Mar 4, 2024

RalfJung closed this May 11, 2024

nbdd0121 deleted the builtin branch May 11, 2024 14:02

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Mark all functions defined in compiler-builtins as nounwind #121605

Mark all functions defined in compiler-builtins as nounwind #121605

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Mark all functions defined in compiler-builtins as nounwind #121605

Mark all functions defined in compiler-builtins as nounwind #121605

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