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[Bug middle-end/36359] missed optimization in some cases with PRE VRP and other passes combined together
- From: "bunk at stusta dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Jan 2009 22:00:09 -0000
- Subject: [Bug middle-end/36359] missed optimization in some cases with PRE VRP and other passes combined together
- References: <bug-36359-16254@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #21 from bunk at stusta dot de 2009-01-25 22:00 -------
(In reply to comment #20)
> The testcase from #17 does not reproduce the issue for me with recent GCC 4.3.
This bug is a regression in gcc 4.4, it was AFAIK never present in gcc 4.3.
Haven't tried more recent gcc versions, but I'm still seeing it with the
20090107-1 gcc-snapshot package (that is the SVN trunk).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36359