upstream #1110

Job	Run time
ruby-head-valgrind (disable)	6m 5s
ruby-head (ubuntu, enable)	54s
ruby-head (ubuntu, disable)	47s
jruby-head	1m 5s
html5lib-tests	49s
truffleruby-head (--disable-system-libraries --disable-static)	3m 9s
ruby-head (windows, enable)	3m 59s
truffleruby-head (--disable-system-libraries --enable-static)	3m 13s
ruby-head (windows, disable)	3m 35s
truffleruby-head (--enable-system-libraries)	2m 32s
xmlsoft-head-valgrind	7m 4s
xmlsoft-head (ubuntu)	1m 42s
ruby-head (macos, enable)	30s
ruby-head (macos, disable)	40s
xmlsoft-head (windows)	9m 17s
xmlsoft-head (macos)	1m 35s
	46m 56s

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