[Bug sanitizer/60745] Many ICEs running libstdc++ testsuite with ubsan, maybe due to PCH

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60745

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
With that patch I get no ICEs in the v3 testsuite, thanks