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[Bug middle-end/41762] internal compiler error when compiling xorg-server
- From: "carrot at google dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Oct 2009 09:15:24 -0000
- Subject: [Bug middle-end/41762] internal compiler error when compiling xorg-server
- References: <bug-41762-14164@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from carrot at google dot com 2009-10-23 09:15 -------
(In reply to comment #5)
> This is fixed on trunk by revision 149082:
>
> http://gcc.gnu.org/ml/gcc-cvs/2009-06/msg01067.html
>
The patch 149082 contains two parts: 1. fixed a wrong optimization in
tree-ssa-sink.c, it affects performance only. 2. fixed a i386 back end bug in
i386.c.
I've tried the bug fixing code in i386.c, unfortunately it doesn't work. So it
looks more like the better optimization in the patch hides an unknown bug.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41762