http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54128
--- Comment #12 from Steve Ellcey <sje at gcc dot gnu.org> 2012-09-04 21:46:55 UTC --- Proposed patch has been posted to gcc-patches: http://gcc.gnu.org/ml/gcc-patches/2012-08/msg02089.html Use NONDEBUG_INSN_P instead of INSN_P in build_insn_chain.