[Bug rtl-optimization/49994] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2234 with -fsched2-use-superblocks

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49994

--- Comment #3 from Zdenek Sojka <zsojka at seznam dot cz> 2011-08-07 17:59:15 UTC ---
Created attachment 24943
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24943
another testcase (using __builtin_return_address)

$ gcc -O -fschedule-insns2 -fsched2-use-superblocks testcase.c 
testcase.c: In function 'foo':
testcase.c:18:1: internal compiler error: in maybe_record_trace_start, at
dwarf2cfi.c:2234
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.