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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 23:08:34 -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 #4 from pinskia at gcc dot gnu dot org 2010-05-04 23:08 -------
>What is -fwrapv supposed to do? I
Changes the behavior of signed integer overflow to be defined as wrapping
rather than being undefined.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43987