[Bug sanitizer/59009] libsanitizer merge from upstream r191666 breaks bootstrap on powerpc64-linux

[kcc at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59009

--- Comment #26 from Kostya Serebryany <kcc at gcc dot gnu.org> ---
> Would it be possible to post the fix? TIA.
Committed upstream as http://llvm.org/viewvc/llvm-project?rev=196779&view=rev
Feel free to commit the exact same change to gcc
or wait for the next merge (will try this week, but no promises)