[Bug target/60704] [4.9 Regression] ICE: in extract_constrain_insn_cached, at recog.c:2156 with -flive-range-shrinkage -march=amdfam10

[rth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60704

--- Comment #2 from Richard Henderson <rth at gcc dot gnu.org> ---
Created attachment 32501
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32501&action=edit
possible patch

This seems to work for the testcase.
Full testing still in progress.