upstream #993

Job	Run time
ruby-head-valgrind (enable)	5m 35s
ruby-head-valgrind (enable)	6m 31s
ruby-head (ubuntu, enable)	3m 8s
ruby-head (ubuntu, enable)	3m 8s
jruby-head	1m 20s
jruby-head	1m 20s
ruby-head-valgrind (disable)	7m 40s
ruby-head-valgrind (disable)	8m 2s
html5lib-tests	59s
html5lib-tests	59s
ruby-head (ubuntu, disable)	1m 8s
ruby-head (ubuntu, disable)	1m 8s
ruby-head (windows, enable)	6m 10s
ruby-head (windows, enable)	6m 10s
truffleruby-head (--disable-system-libraries --disable-static)	5m 17s
truffleruby-head (--disable-system-libraries --disable-static)	5m 17s
ruby-head (windows, disable)	8m 47s
ruby-head (windows, disable)	8m 47s
xmlsoft-head-valgrind	6m 29s
xmlsoft-head-valgrind	6m 29s
truffleruby-head (--disable-system-libraries --enable-static)	3m 12s
truffleruby-head (--disable-system-libraries --enable-static)	3m 12s
xmlsoft-head (ubuntu)	1m 52s
xmlsoft-head (ubuntu)	1m 52s
ruby-head (macos, enable)	2m 50s
ruby-head (macos, enable)	2m 50s
truffleruby-head (--enable-system-libraries)	2m 40s
truffleruby-head (--enable-system-libraries)	2m 40s
ruby-head (macos, disable)	51s
ruby-head (macos, disable)	51s
xmlsoft-head (windows)	10m 21s
xmlsoft-head (windows)	10m 21s
xmlsoft-head (macos)	1m 25s
xmlsoft-head (macos)	1m 25s
	2h 20m 46s

Provide feedback