https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81088
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Mon Aug 28 12:49:55 2017 New Revision: 251381 URL: https://gcc.gnu.org/viewcvs?rev=251381&root=gcc&view=rev Log: 2017-08-28 Richard Biener <rguent...@suse.de> Backport from mainline 2017-06-14 Richard Biener <rguent...@suse.de> PR middle-end/81088 * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from literal constants. (fold_binary_loc): When associating do not treat pre-existing TREE_OVERFLOW on literal constants as a reason to allow TREE_OVERFLOW on associated literal constants. * c-c++-common/ubsan/pr81088.c: New testcase. 2017-06-13 Richard Biener <rguent...@suse.de> PR middle-end/81065 * fold-const.c (extract_muldiv_1): Remove bogus distribution case of C * (x * C2 + C3). (fold_addr_of_array_ref_difference): Properly fold index difference. * c-c++-common/ubsan/pr81065.c: New testcase. 2017-06-08 Marek Polacek <pola...@redhat.com> PR sanitize/80932 * c-c++-common/ubsan/pr80932.c: Test with ints, not with long ints. 2017-06-07 Marek Polacek <pola...@redhat.com> 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: branches/gcc-7-branch/gcc/testsuite/c-c++-common/ubsan/pr80932.c branches/gcc-7-branch/gcc/testsuite/c-c++-common/ubsan/pr81065.c branches/gcc-7-branch/gcc/testsuite/c-c++-common/ubsan/pr81088.c Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/fold-const.c branches/gcc-7-branch/gcc/testsuite/ChangeLog
