It is temporary patch. We need to keep it in trunk, since it makes easer to test it on buildbots on different platforms.
Once we see stable MergeFunctions behaviour with satisfied perfomance, this patch will be removed.
llvm-svn: 191331
very robust) version of killall. Because I like making shiny new wheels out of
spare parts.
For use by buildbots when people insist on making cc1 infinite loop. :)
llvm-svn: 86484