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r248291 - in /trunk/gcc: ChangeLog fold-const.c...

From: mpolacek at gcc dot gnu dot org
To: gcc-cvs at gcc dot gnu dot org
Date: Fri, 19 May 2017 15:30:55 -0000
Subject: r248291 - in /trunk/gcc: ChangeLog fold-const.c...

Author: mpolacek
Date: Fri May 19 15:30:54 2017
New Revision: 248291

URL: https://gcc.gnu.org/viewcvs?rev=248291&root=gcc&view=rev
Log:
	PR sanitizer/80800
	* fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
	TYPE_OVERFLOW_WRAPS checks.

	* c-c++-common/ubsan/pr80800.c: New test.
	* c-c++-common/Wduplicated-branches-1.c: Adjust an expression.

Added:
    trunk/gcc/testsuite/c-c++-common/ubsan/pr80800.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/c-c++-common/Wduplicated-branches-1.c

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