[Bug c/47548] New: [regression] m32c-rtems ICEt in change_address_1, at emit-rtl.c:1933

[joel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47548

           Summary: [regression] m32c-rtems ICEt in change_address_1, at
                    emit-rtl.c:1933
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: joel@gcc.gnu.org


Created attachment 23171
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23171
Preprocess file from RTEMS tripping bug.

$ m32c-rtems4.11-gcc -g -O2 -c testcase.c 
/users/joel/test-gcc/rtems/cpukit/libblock/src/bdbuf.c: In function
'rtems_bdbuf_wait':
/users/joel/test-gcc/rtems/cpukit/libblock/src/bdbuf.c:1002:1: internal
compiler error: in change_address_1, at emit-rtl.c:1933
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Works at -O1 and fails at -Os.