[Bug debug/46095] New: [4.6 Regression] ICE: in dwarf2out_frame_debug_expr, at dwarf2out.c:2341 with -fstack-protector

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46095

           Summary: [4.6 Regression] ICE: in dwarf2out_frame_debug_expr,
                    at dwarf2out.c:2341 with -fstack-protector
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz


Created attachment 22092
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22092
reduced testcase

Compiler output:
$ gcc -O -fschedule-insns2 -fno-omit-frame-pointer -fstack-protector pr46095.c
pr46095.c: In function 'foo':
pr46095.c:8:1: internal compiler error: in dwarf2out_frame_debug_expr, at
dwarf2out.c:2341
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r165719 - crash
r163636 - OK