[Bug tree-optimization/64121] [5 Regression] ICE: SSA corruption with -O -fsanitize=undefined

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64121

--- Comment #8 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Mon Dec  1 15:37:55 2014
New Revision: 218222

URL: https://gcc.gnu.org/viewcvs?rev=218222&root=gcc&view=rev
Log:
    PR sanitizer/64121
    * ubsan.c (instrument_object_size): Stop searching if the base
    occurs in abnormal phi.

    * c-c++-common/ubsan/pr64121.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/ubsan/pr64121.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/ubsan.c