[Bug tree-optimization/59919] New: [4.7 Regression] ICE in process_assert_insertions_for, at tree-vrp.c:6096

[doko at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59919

            Bug ID: 59919
           Summary: [4.7 Regression] ICE in process_assert_insertions_for,
                    at tree-vrp.c:6096
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org

Created attachment 31932
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31932&action=edit
preprocessed source

seen with trunk 20140122, works with the 4.8 branch, lowering to -O1 works
around the issue

$ gcc -c -g -O2 debug.i 
src/debug.c: In function 'Parrot_debugger_break':
src/debug.c:1243:1: internal compiler error: in process_assert_insertions_for,
at tree-vrp.c:6096
 Parrot_debugger_break(PARROT_INTERP, ARGIN(opcode_t * cur_opcode))
 ^
Please submit a full bug report,
with preprocessed source if appropriate.