[Bug middle-end/59917] New: [4.9 Regression] ICE in calc_dfs_tree, at dominance.c:401

["doko at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59917

            Bug ID: 59917
           Summary: [4.9 Regression] ICE in calc_dfs_tree, at
                    dominance.c:401
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org

Created attachment 31930
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31930&action=edit
preprocessed source

seen with trunk 20140122, works with the 4.8 branch

$ g++ -fopenmp -c datatypes.ii
datatypes.cpp: In function '<built-in>':
datatypes.cpp:5690:37: internal compiler error: in calc_dfs_tree, at
dominance.c:401
Please submit a full bug report,
with preprocessed source if appropriate.