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[Bug tree-optimization/41643] ICE (segmentation fault) for SPEC CPU2000's 176.gcc when using -fno-tree-dce
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Oct 2009 10:49:19 -0000
- Subject: [Bug tree-optimization/41643] ICE (segmentation fault) for SPEC CPU2000's 176.gcc when using -fno-tree-dce
- References: <bug-41643-13613@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from rguenth at gcc dot gnu dot org 2009-10-09 10:49 -------
Doesn't happen on trunk. But, confirmed.
../../gcc44-g/gcc/cc1 -quiet bug.i -O2 -fno-tree-dce
bug.i: In function 'f':
bug.i:5: error: missing PHI def
add_acc.0_10 = PHI <0(0), (5)>
bug.i:5: error: missing PHI def
x_8 = PHI <x_13(D)(0), (5)>
bug.i:5: internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
After the tail-recursion pass.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Keywords| |ice-on-valid-code
Known to fail| |4.4.1
Known to work| |4.5.0
Last reconfirmed|0000-00-00 00:00:00 |2009-10-09 10:49:19
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41643