upstream #1035

Job	Run time
jruby-head	1m 11s
html5lib-tests	58s
ruby-head-valgrind (disable)	5m 42s
ruby-head (ubuntu, enable)	43s
ruby-head (ubuntu, disable)	53s
truffleruby-head (--disable-system-libraries --disable-static)	3m 2s
xmlsoft-head (ubuntu)	1m 37s
ruby-head (windows, enable)	2m 58s
truffleruby-head (--disable-system-libraries --enable-static)	3m 14s
xmlsoft-head-valgrind	6m 37s
xmlsoft-head (windows)	9m 41s
ruby-head (windows, disable)	3m 8s
truffleruby-head (--enable-system-libraries)	2m 26s
xmlsoft-head (macos)	1m 35s
ruby-head (macos, enable)	37s
ruby-head (macos, disable)	1m 12s
	45m 34s

Provide feedback