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[Bug bootstrap/42511] bootstrap error in stage3 on alpha-linux-gnu
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Jan 2010 10:43:59 -0000
- Subject: [Bug bootstrap/42511] bootstrap error in stage3 on alpha-linux-gnu
- References: <bug-42511-5724@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #14 from ubizjak at gmail dot com 2010-01-06 10:43 -------
This bug can be now reproduced with a crosscompiler to alpha-linux-gnu with
soon to be attached preprocessed source of tree-ssa-loop-im.i (please note
noinline attributes at determine_max_movement and add_dependency).
The problem is that stage1 (or cross-) compiler miscompiles
determine_max_movement from tree-ssa-loop-im.c, where cse2 rtl pass removes
whole lot of code when -O2 is used.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42511