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[Bug sanitizer/82072] sanitizer does not detect an overflow from LLONG_MIN
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 05 Sep 2017 15:55:37 +0000
- Subject: [Bug sanitizer/82072] sanitizer does not detect an overflow from LLONG_MIN
- Auto-submitted: auto-generated
- References: <bug-82072-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82072
--- Comment #16 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue Sep 5 15:55:04 2017
New Revision: 251717
URL: https://gcc.gnu.org/viewcvs?rev=251717&root=gcc&view=rev
Log:
PR sanitizer/82072
* convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
check earlier.
* c-c++-common/ubsan/pr82072-2.c: New test.
Added:
trunk/gcc/testsuite/c-c++-common/ubsan/pr82072-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/convert.c
trunk/gcc/testsuite/ChangeLog