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[Bug middle-end/43987] [4.5 regression] type-punning causes broken binaries unless -O0 is used
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 May 2010 22:48:29 -0000
- Subject: [Bug middle-end/43987] [4.5 regression] type-punning causes broken binaries unless -O0 is used
- References: <bug-43987-19130@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from pinskia at gcc dot gnu dot org 2010-05-04 22:48 -------
Can you try also -fwrapv? There could be other issues with the code besides
just aliasing issues. Maybe there is a buffer overflow that shows up now with
the new optimizers.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|critical |normal
Component|c |middle-end
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43987