[Bug sanitizer/63638] [4.9 Regression] internal compiler error: in asan_expand_check_ifn (with -fsanitize=address)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63638

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Yury Gribov from comment #3)
> Created attachment 33804 [details]
> Update patch
> 
> Done.  Should I send to gcc-patches now or wait until full bootstrap succeds
> (this will have to wait until Monday)?

Patch preapproved, please add
        PR sanitizer/63638
to the ChangeLog entries though.  Feel free to post it now.