| commit | 1043013c91c08e3d8cd665b3f960f658918d69fe | |
| author | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 14 Nov 2014 11:57:05 +0000 (14 11:57 +0000) | ||
| committer | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 14 Nov 2014 11:57:05 +0000 (14 11:57 +0000) | ||
| tree | e658bdd67d7d906e29048429d363eaa3f48eaab0 | treesnapshot (tar.gz zip) |
| parent | f6b540af02190c7c3e07a26eb5864f9a24fe7274 | commitdiff |
* fold-const.c (fold_negate_expr): Don't fold INTEGER_CST if
that overflows when SANITIZE_SI_OVERFLOW is on. Guard -(-A)
folding with TYPE_OVERFLOW_SANITIZED.
* c-c++-common/ubsan/overflow-negate-3.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@217556 138bc75d-0d04-0410-961f-82ee72b054a4
that overflows when SANITIZE_SI_OVERFLOW is on. Guard -(-A)
folding with TYPE_OVERFLOW_SANITIZED.
* c-c++-common/ubsan/overflow-negate-3.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@217556 138bc75d-0d04-0410-961f-82ee72b054a4