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[Bug tree-optimization/46183] [4.6 Regression] ICE: in calc_dfs_tree, at dominance.c:396 with -O -fno-dse -fgcse -ftree-pre
- From: "steven at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 2 Nov 2010 14:37:47 +0000
- Subject: [Bug tree-optimization/46183] [4.6 Regression] ICE: in calc_dfs_tree, at dominance.c:396 with -O -fno-dse -fgcse -ftree-pre
- Auto-submitted: auto-generated
- References: <bug-46183-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46183
Steven Bosscher <steven at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |steven at gcc dot gnu.org
--- Comment #4 from Steven Bosscher <steven at gcc dot gnu.org> 2010-11-02 14:37:21 UTC ---
There is nothing weird about the comment before the quoted code. It just
mentions that the simple solver for global CPROP does not work if there are
unreachable blocks in the CFG (and that the DF solver is insensitive to this).
But oh well, I'll have a look...