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[Bug middle-end/82044] runtime signed integer overflow in check_mem_read_rtx() and all_positions_needed_p() in dse.c
- From: "msebor at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 30 Aug 2017 19:30:03 +0000
- Subject: [Bug middle-end/82044] runtime signed integer overflow in check_mem_read_rtx() and all_positions_needed_p() in dse.c
- Auto-submitted: auto-generated
- References: <bug-82044-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82044
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
See Also| |https://gcc.gnu.org/bugzill
| |a/show_bug.cgi?id=82042
--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
The code is syntactically valid but has undefined behavior at runtime.
See also bug 82042 for other similar problems.