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[Bug middle-end/38937] [4.4 Regression] dereferencing pointer '<anonymous>' does break strict-aliasing
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Jan 2009 22:51:49 -0000
- Subject: [Bug middle-end/38937] [4.4 Regression] dereferencing pointer '<anonymous>' does break strict-aliasing
- References: <bug-38937-365@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from rguenth at gcc dot gnu dot org 2009-01-30 22:51 -------
For
hook (D.15560_20, &a.l.D.14002._M_impl._M_node);
we somehow compute the wrong ESCAPED solution.
ESCAPED = { NULL ANYTHING ESCAPED NONLOCAL a b D.15681 }
this is missing a.32+32.
Bah, it turns out I again have this fixed on the alias-improvements branch.
So - I have a patch.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38937