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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: 22 Jan 2009 22:44:51 -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 #1 from rguenth at gcc dot gnu dot org 2009-01-22 22:44 -------
This is likely because of different inlining decisions which is possibly
because
of different insn costs which depend on MOVE_MAX_PIECES and MOVE_RATIO.
The warning itself hints at either an alias problem in the testcase or the
library or at a problem with points-to analysis.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
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CC| |rguenth at gcc dot gnu dot
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38937