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[Bug tree-optimization/49622] [4.4 Regression] Compiler segfault
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 4 Jul 2011 09:37:16 +0000
- Subject: [Bug tree-optimization/49622] [4.4 Regression] Compiler segfault
- Auto-submitted: auto-generated
- References: <bug-49622-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49622
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |x86_64-*-*
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011.07.04 09:37:11
Component|c |tree-optimization
Known to work| |4.3.6, 4.5.0
Target Milestone|--- |4.4.7
Summary|Compiler segfault |[4.4 Regression] Compiler
| |segfault
Ever Confirmed|0 |1
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-07-04 09:37:11 UTC ---
Checking enabled it ICEs at
#2 0x00000000009ffede in execute_todo (flags=7)
at /space/rguenther/src/svn/gcc-4_4-branch/gcc/passes.c:1017
1017 gcc_assert (flags & TODO_update_ssa_any);
after FRE:
Inserted pretmp.47_13 = VIEW_CONVERT_EXPR<v4si>(D.6253);
in predecessor 2
Replaced p.i with pretmp.47_13 in D.6236_2 = p.i;
Replaced p.i with pretmp.47_13 in D.6236_5 = p.i;
D.6253 should be an SSA name. I suppose a DECL_GIMPLE_REG_P setting is
missing somewhere.