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r217766 - 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: Wed, 19 Nov 2014 12:03:05 -0000
- Subject: r217766 - in /trunk/gcc: ChangeLog fold-const.c...
Author: mpolacek
Date: Wed Nov 19 12:03:04 2014
New Revision: 217766
URL: https://gcc.gnu.org/viewcvs?rev=217766&root=gcc&view=rev
Log:
PR sanitizer/63879
* fold-const.c (negate_expr_p) <case NEGATE_EXPR>: Return
!TYPE_OVERFLOW_SANITIZED.
(fold_negate_expr) <case INTEGER_CST>: Fold when overflow
does not trap and when overflow wraps, or when SANITIZE_SI_OVERFLOW
is 0.
* c-c++-common/ubsan/pr63879-1.c: New test.
* c-c++-common/ubsan/pr63879-2.c: New test.
Added:
trunk/gcc/testsuite/c-c++-common/ubsan/pr63879-1.c
trunk/gcc/testsuite/c-c++-common/ubsan/pr63879-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog