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[Bug tree-optimization/67921] [6 Regression] "internal compiler error: in build_polynomial_chrec, at tree-chrec.h:147" when using -fsanitize=undefined
- From: "amker at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 01 Feb 2016 17:18:20 +0000
- Subject: [Bug tree-optimization/67921] [6 Regression] "internal compiler error: in build_polynomial_chrec, at tree-chrec.h:147" when using -fsanitize=undefined
- Auto-submitted: auto-generated
- References: <bug-67921-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67921
--- Comment #10 from amker at gcc dot gnu.org ---
Author: amker
Date: Mon Feb 1 17:17:47 2016
New Revision: 233042
URL: https://gcc.gnu.org/viewcvs?rev=233042&root=gcc&view=rev
Log:
PR tree-optimization/67921
* fold-const.c (split_tree): New parameters. Convert pointer
type variable part to proper type before negating.
(fold_binary_loc): Pass new arguments to split_tree.
gcc/testsuite/ChangeLog
PR tree-optimization/67921
* c-c++-common/ubsan/pr67921.c: New test.
Added:
trunk/gcc/testsuite/c-c++-common/ubsan/pr67921.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog