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[Bug debug/47283] [4.6 regression] ICE in refs_may_alias_p_1, at tree-ssa-alias.c


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47283

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P4                          |P3
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |

--- Comment #19 from Uros Bizjak <ubizjak at gmail dot com> 2011-03-01 19:29:19 UTC ---
(In reply to comment #18)
> Fixed.

Unfortunately, the same failure now happens on ia64-suse-linux-gnu [1]

Again, the bug can be triggered with a crosscompiler:

~/gcc-build-xxx/gcc/xgcc -v
Using built-in specs.
COLLECT_GCC=/home/uros/gcc-build-xxx/gcc/xgcc
Target: ia64-suse-linux-gnu
Configured with: ../gcc-svn/trunk/configure --target=ia64-suse-linux-gnu
--enable-languages=c,c++
Thread model: posix
gcc version 4.6.0 20110301 (experimental) [trunk revision 170594] (GCC) 

~/gcc-build-xxx/gcc/cc1plus -O2 -gdwarf-2 -quiet pr47283.C 
pr47283.C: In member function âvirtual void E::f10()â:
pr47283.C:58:1: internal compiler error: in refs_may_alias_p_1, at
tree-ssa-alias.c:1083
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

I have reopend the PR with P3, since this is now a failure on secondary target.

[1] http://gcc.gnu.org/ml/gcc-testresults/2011-03/msg00057.html


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