ci: use a v -prod self task, before v test-self to reduce more the CI times in the common case

.github/workflows/alpine.test.sh

@@ -17,6 +17,8 @@ ls -lat
 
 ./v test-cleancode
 
+./v -prod self
+
 ./v test-self
 
 ./v build-vbinaries

.github/workflows/debug.yml

@@ -28,6 +28,8 @@ jobs:
           ./cmd/tools/test_if_v_test_system_works
       - name: All code is formatted
         run: ./v test-cleancode
+      - name: Recompile V with -prod, to speed up the rest
+        run: ./v -prod self
       - name: Self tests
         run: |
           ./v -cg cmd\tools\vtest-self.v

.github/workflows/docker_ci.yml

@@ -50,6 +50,8 @@ jobs:
         run: CC=gcc make
       - name: All code is formatted
         run: VJOBS=1 ./v test-cleancode
+      - name: Recompile V with -prod, to speed up the rest
+        run: ./v -prod self
       - name: Run only essential tests
         run: VTEST_JUST_ESSENTIAL=1 ./v test-self
 
@@ -75,5 +77,7 @@ jobs:
           ./cmd/tools/test_if_v_test_system_works
       - name: All code is formatted
         run: ./v test-cleancode
+      - name: Recompile V with -prod, to speed up the rest
+        run: ./v -prod self
       - name: Test V fixed tests
         run: ./v test-self vlib

.github/workflows/linux_ci.yml

@@ -67,6 +67,8 @@ jobs:
           echo $VFLAGS
           v cmd/tools/test_if_v_test_system_works.v
           ./cmd/tools/test_if_v_test_system_works
+      - name: Recompile V with -prod, to speed up the rest
+        run: v -prod self
       - name: Test pure V math module
         run: v -exclude @vlib/math/*.c.v test vlib/math/
       - name: Self tests
@@ -161,6 +163,8 @@ jobs:
           echo $VFLAGS
           v cmd/tools/test_if_v_test_system_works.v
           ./cmd/tools/test_if_v_test_system_works
+      - name: Recompile V with -prod, to speed up the rest
+        run: v -prod self
       - name: Test pure V math module
         run: v -exclude @vlib/math/*.c.v test vlib/math/
       - name: Self tests
@@ -261,6 +265,8 @@ jobs:
           v cmd/tools/test_if_v_test_system_works.v
           ./cmd/tools/test_if_v_test_system_works
 
+      - name: Recompile V with -prod, to speed up the rest
+        run: v -prod self
       - name: Test pure V math module
         run: v -exclude @vlib/math/*.c.v test vlib/math/
       - name: Self tests
@@ -331,6 +337,8 @@ jobs:
   #   - uses: actions/checkout@v4
   #   - name: Install dependencies for examples and tools
   #     run: v retry -- sudo apt install --quiet -y musl musl-tools libssl-dev sqlite3 libsqlite3-dev valgrind
+  #   - name: Recompile V with -prod, to speed up the rest
+  #     run: v -prod self
   #   - name: Recompile V with -cg
   #     run: v -cg -o v cmd/v
   #   # - name: Test v binaries

.github/workflows/periodic_ci.yml

@@ -36,5 +36,7 @@ jobs:
       - name: Build V (Windows)
         if: runner.os == 'Windows'
         run: ./make.bat -msvc && ./v -o v2.exe cmd/v && ./v2 -showcc -o v.exe cmd/v && ./v doctor
+      - name: Recompile V with -prod, to speed up the rest
+        run: ./v -prod self
       - name: Test
         run: ./v -d network test-self vlib/net

.github/workflows/tools_ci.yml

@@ -37,6 +37,8 @@ jobs:
         run: make -j4 && ./v -showcc -o v cmd/v && ./v doctor
       - name: Code in cmd/ is formatted
         run: ./v fmt -verify cmd/
+      - name: Recompile V with -prod, to speed up the rest
+        run: ./v -prod self
       - name: Test
         run: ./v test-self cmd
       - name: Test (-cstrict)
@@ -71,7 +73,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Build V
-        run: make -j4 && ./v -showcc -o v cmd/v && ./v doctor
+        run: make && ./v -showcc -o v cmd/v && ./v doctor
+      - name: Recompile V with -prod, to speed up the rest
+        run: ./v -prod self
       - name: Test
         run: ./v test-self cmd
       - name: Test (-cstrict)
@@ -89,6 +93,8 @@ jobs:
       - uses: actions/checkout@v4
       - name: Build V
         run: ./make.bat -${{ matrix.cc }} && ./v -o v2.exe cmd/v && ./v2 -showcc -o v.exe cmd/v && ./v doctor
+      - name: Recompile V with -prod, to speed up the rest
+        run: ./v -prod self
       - name: Test
         run: ./v test-self cmd
       - name: Test (-cstrict)
@@ -117,6 +123,8 @@ jobs:
         run: |
           ./v cmd/tools/test_if_v_test_system_works.v
           ./cmd/tools/test_if_v_test_system_works
+      - name: Recompile V with -prod, to speed up the rest
+        run: ./v -prod self
       - name: Test
         run: ./v test-self cmd
       - name: Test (-cstrict)

.github/workflows/windows_ci.yml

@@ -55,6 +55,8 @@ jobs:
           echo $VFLAGS
           v cmd/tools/test_if_v_test_system_works.v
           ./cmd/tools/test_if_v_test_system_works
+      - name: Recompile V with -prod, to speed up the rest
+        run: v -prod self
       - name: Test pure V math module
         run: v -exclude @vlib/math/*.c.v test vlib/math/
       - name: Self tests
@@ -110,6 +112,8 @@ jobs:
           echo $VFLAGS
           v cmd/tools/test_if_v_test_system_works.v
           ./cmd/tools/test_if_v_test_system_works
+      - name: Recompile V with -prod, to speed up the rest
+        run: v -prod self
       - name: Test pure V math module
         run: v -exclude @vlib/math/*.c.v test vlib/math/
       - name: Self tests
@@ -160,6 +164,8 @@ jobs:
         run: |
           v cmd/tools/test_if_v_test_system_works.v
           .\cmd\tools\test_if_v_test_system_works.exe
+      - name: Recompile V with -prod, to speed up the rest
+        run: v -prod self
       - name: Verify `v vlib/v/gen/c/coutput_test.v` works
         run: v vlib/v/gen/c/coutput_test.v
       - name: Make sure running TCC64 instead of TCC32
@@ -200,7 +206,8 @@ jobs:
         #   run: |
         #     v cmd/tools/test_if_v_test_system_works.v
         #     .\cmd\tools\test_if_v_test_system_works.exe
-        #
+        # - name: Recompile V with -prod, to speed up the rest
+        #   run: v -prod self
         # - name: Verify `v vlib/v/gen/c/coutput_test.v` works
         #   run: |
         #     v vlib/v/gen/c/coutput_test.v