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[Bug sanitizer/85029] [8 Regression] -fsanitize=undefined internal compiler error: in maybe_optimize_ubsan_ptr_ifn, at sanopt.c:493
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 23 Mar 2018 08:56:25 +0000
- Subject: [Bug sanitizer/85029] [8 Regression] -fsanitize=undefined internal compiler error: in maybe_optimize_ubsan_ptr_ifn, at sanopt.c:493
- Auto-submitted: auto-generated
- References: <bug-85029-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85029
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Mar 23 08:55:53 2018
New Revision: 258794
URL: https://gcc.gnu.org/viewcvs?rev=258794&root=gcc&view=rev
Log:
PR sanitizer/85029
* sanopt.c (maybe_optimize_ubsan_ptr_ifn): If DECL_REGISTER (base),
just don't try to optimize it rather than assert it never happens.
* g++.dg/ubsan/pr85029.C: New test.
Added:
trunk/gcc/testsuite/g++.dg/ubsan/pr85029.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/sanopt.c
trunk/gcc/testsuite/ChangeLog