[Bug tree-optimization/44914] New: [4.6 Regression] ICE: in calc_dfs_tree, at dominance.c:395 with -fipa-sra -fnon-call-exceptions

[zsojka at seznam dot cz]

Command line:
$ gcc -O[123s] -fipa-sra -fnon-call-exceptions testcase.C

Compiler output:
$ gcc -O1 -fipa-sra -fnon-call-exceptions testcase.C 
testcase.C: In function 'B::B(int)':
testcase.C:17:4: internal compiler error: in calc_dfs_tree, at dominance.c:396
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r162056 - crash
r161170 - crash
r159696 - OK
r158969 - OK
4.5 r160526 - OK


-- 
           Summary: [4.6 Regression] ICE: in calc_dfs_tree, at
                    dominance.c:395 with -fipa-sra -fnon-call-exceptions
           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=44914