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[Bug sanitizer/87837] [8/9 Regression] -O2 -fsanitize=signed-integer-overflow misses overflows on x86-64
- 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: Thu, 01 Nov 2018 09:06:47 +0000
- Subject: [Bug sanitizer/87837] [8/9 Regression] -O2 -fsanitize=signed-integer-overflow misses overflows on x86-64
- Auto-submitted: auto-generated
- References: <bug-87837-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87837
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
Target Milestone|--- |8.3
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
We usually have for this
match.pd: (if (TYPE_OVERFLOW_UNDEFINED (TREE_TYPE (@3))
match.pd- && !TYPE_OVERFLOW_SANITIZED (TREE_TYPE (@2)))
I'll have a look.