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[Bug c/83108] Unaligned 128bit dereference causes segfault with -O2 on x86-64
- From: "trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 22 Nov 2017 15:27:23 +0000
- Subject: [Bug c/83108] Unaligned 128bit dereference causes segfault with -O2 on x86-64
- Auto-submitted: auto-generated
- References: <bug-83108-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83108
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |trippels at gcc dot gnu.org
Resolution|--- |INVALID
--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
unsigned __int128 always needs 16 byte alignement, otherwise you are invoking
undefined behavior.