r248961 - in /trunk/gcc: ChangeLog fold-const.c...

[mpolacek@gcc.gnu.org]

Author: mpolacek
Date: Wed Jun  7 11:19:40 2017
New Revision: 248961

URL: https://gcc.gnu.org/viewcvs?rev=248961&root=gcc&view=rev
Log:
	PR sanitizer/80932
	* fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
	TYPE_OVERFLOW_WRAPS check. 

	* c-c++-common/ubsan/pr80932.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/ubsan/pr80932.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog