[Bug tree-optimization/44686] New: [4.6 Regression] ICE: in gimple_op, at gimple.h:1664 with -fipa-pta -fprofile-generate

[zsojka at seznam dot cz]

Command line:
$ gcc -O2 -fipa-pta -fprofile-generate testcase.c

Compiler output:
$ gcc -O2 -fipa-pta -fprofile-generate testcase.c
testcase.c: In function 'memcpy':
testcase.c:6:1: internal compiler error: in gimple_op, at gimple.h:1664
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r161428 - crash
r161383 - crash
r161170 - OK
4.5 r160526 - OK


-- 
           Summary: [4.6 Regression] ICE: in gimple_op, at gimple.h:1664
                    with -fipa-pta -fprofile-generate
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44686