http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49994
--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> 2011-08-06 09:23:43 UTC --- Created attachment 24931 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24931 more real-life testcase $ gcc -O -fno-omit-frame-pointer -fschedule-insns2 -fsched2-use-superblocks testcase.c testcase.c: In function 'bar': testcase.c:7:1: 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. This ICE occurs several times when running the libstdc++ testsuite with "-fno-omit-frame-pointer -fsched2-use-superblocks" in RUNTESTFLAGS.
