[Bug rtl-optimization/50764] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2243 with -O2 -fsched2-use-superblocks -ftree-tail-merge

[vries at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50764
--- Comment #10 from vries at gcc dot gnu.org 2011-10-30 07:39:36 UTC ---
Tentative patch at http://gcc.gnu.org/ml/gcc-patches/2011-10/msg02767.html