[Bug middle-end/42398] New: internal compiler error: in sra_modify_expr, at tree-sra.c:2175

["raj dot khem at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

Attached testcase from linux kernel fails to compile with latest trunk rev
155302 on mips architecture.

options to pass -c -O1

$ mips-oe-linux-gcc y.c -c -O1
y.c: In function ?ptrace_setregs?:
y.c:12917:1: internal compiler error: in sra_modify_expr, at tree-sra.c:2175
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: internal compiler error: in sra_modify_expr, at tree-
                    sra.c:2175
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: raj dot khem at gmail dot com
 GCC build triplet: x86_64-linux
  GCC host triplet: x86_64-linux
GCC target triplet: mips-oe-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42398