[Bug middle-end/44784] New: [4.6 regression] Failed to build 403.gcc in SPEC CPU 2006

[hjl dot tools at gmail dot com]

On Linux/ia32, revision 161680 failed to
build 403.gcc in SPEC CPU 2006:

gcc -m32 -c -o ssa-ccp.o -DSPEC_CPU -DNDEBUG -I.   -O2 -msse2 -mfpmath=sse
-ffast-math                ssa-ccp.c
ssa-ccp.c: In function 'defs_to_undefined.isra.0':
ssa-ccp.c:212:1: error: definition in block 7 follows the use
for SSA_NAME: pretmp.135_30 in statement:
pretmp.137_17 = (struct rtx_def *) pretmp.135_30;
ssa-ccp.c:212:1: internal compiler error: verify_ssa failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Revision 161653 is OK.


-- 
           Summary: [4.6 regression] Failed to build 403.gcc in SPEC CPU
                    2006
           Product: gcc
           Version: 4.5.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl dot tools at gmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44784