sh-elf tree-ssa failure

[Joern RENNECKE]

execute/20031215-1.c passes on i686 and ppc, but fails on sh-elf - both 
SH1 big endian and SH4 little endian, eight times each.
It still shows the same failure with mainline from 17:00 UTC today.

Executing on host: /mnt/scratch/nightly/2005-05-11/sh-elf/gcc/xgcc 
-B/mnt/scratch/nightly/2005-05-11/sh-elf/gcc/ 
/mnt/scratch/nightly/2005-05-11/srcw/gcc/testsuite/gcc.c-torture/execute/20031215-1.c  
-w  -O2  -DSTACK_SIZE=16384 -fno-show-column  -isystem 
/mnt/scratch/nightly/2005-05-11/sh-elf/sh-elf/./newlib/targ-include 
-isystem /mnt/scratch/nightly/2005-05-11/srcw/newlib/libc/include  
-L/mnt/scratch/nightly/2005-05-11/sh-elf/ld 
-B/mnt/scratch/nightly/2005-05-11/sh-elf/sh-elf/./newlib/ 
-L/mnt/scratch/nightly/2005-05-11/sh-elf/sh-elf/./newlib  -lm 
-Wl,--defsym,_stack=0xff000  -o 
/mnt/scratch/nightly/2005-05-11/sh-elf/gcc/testsuite/20031215-1.x2    
(timeout = 300)
/mnt/scratch/nightly/2005-05-11/srcw/gcc/testsuite/gcc.c-torture/execute/20031215-1.c: 
In function 'test1':^M
/mnt/scratch/nightly/2005-05-11/srcw/gcc/testsuite/gcc.c-torture/execute/20031215-1.c:11: 
error: Statement makes a memory store, but has no V_MAY_DEFS nor 
V_MUST_DEFS^M
#   VUSE <ao_1>;^M
ao.ch[2] = 0;^M
/mnt/scratch/nightly/2005-05-11/srcw/gcc/testsuite/gcc.c-torture/execute/20031215-1.c:11: 
internal compiler error: verify_ssa failed.^M