[Bug rtl-optimization/21281] New: ICE with building newlib

["nathan at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

The attached testcase, when compiled with ' -O2 -m68hc11' ICEs with an
unrecognizable insn

nathan@garibaldi:223>./cc1 -O2 -m68hc11 bug.i -quiet
bug.i: In function 'get_number':
bug.i:8: error: unrecognizable insn:
(insn 31 7 12 0 (set:HI (reg:HI 1 d [orig:56+2 ] [56])
        (xor:HI (reg:HI 1 d [orig:56+2 ] [56])
            (const_int -32768 [0xffff8000]))) -1 (nil)
    (nil))
bug.i:8: internal compiler error: in extract_insn, at recog.c:2082
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

-- 
           Summary: ICE with building newlib
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: nathan at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: m68hc11-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21281