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[Bug tree-optimization/29439] [4.2 regression] ICE in fold-const.c:1385 with -O1 -fwrapv -ftree-vrp
- 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: 15 Oct 2006 21:30:39 -0000
- Subject: [Bug tree-optimization/29439] [4.2 regression] ICE in fold-const.c:1385 with -O1 -fwrapv -ftree-vrp
- References: <bug-29439-7667@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from pinskia at gcc dot gnu dot org 2006-10-15 21:30 -------
(In reply to comment #9)
> Is there a C/C++ equivalent?
No because it depends on non constant subtypes.
But that does not mean we could get the wrong answer from VRP because overflow
is incorrectly set.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29439