upstream #1058

Job	Run time
jruby-head	1m 6s
html5lib-tests	47s
ruby-head (ubuntu, enable)	47s
ruby-head-valgrind (disable)	5m 42s
ruby-head (ubuntu, disable)	50s
truffleruby-head (--disable-system-libraries --disable-static)	2m 58s
ruby-head (windows, enable)	3m 23s
xmlsoft-head (ubuntu)	3m 53s
xmlsoft-head-valgrind	7m 6s
truffleruby-head (--disable-system-libraries --enable-static)	3m 10s
xmlsoft-head (windows)	11m 57s
xmlsoft-head (macos)	4m 18s
truffleruby-head (--enable-system-libraries)	2m 23s
ruby-head (windows, disable)	3m 21s
ruby-head (macos, enable)	33s
ruby-head (macos, disable)	1m 7s
	53m 21s

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