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[Bug optimization/13424] [3.4/3.5 Regression] gcc.dg/20031202-1.c is miscompiled
- From: "ebotcazou at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Mar 2004 10:13:18 -0000
- Subject: [Bug optimization/13424] [3.4/3.5 Regression] gcc.dg/20031202-1.c is miscompiled
- References: <20031218033126.13424.danglin@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From ebotcazou at gcc dot gnu dot org 2004-03-17 10:13 -------
Yes, actually it makes it fail everywhere!
The problem is that the C front-end is relying on the clearing optimization to
implement the semantics mandated by C99 $6.7.8 [19].
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13424