[Bug rtl-optimization/52113] [4.7 regression][lower-subreg.c] ICE: in extract_insn, at recog.c:2123

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52113

--- Comment #3 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-02-04 
01:14:53 UTC ---
Thanks.

For the testcase, omit -mmcu=. That option is set by board.exp during
testsuite:

-/* { dg-options "-O1" } */
+/* { dg-options "-O1 -mmcu=atmega64" } */