[Bug tree-optimization/21541] New: [4.1 Regression] gcc.c-torture/execute/20031215-1.c compilation fails

[jsm28 at gcc dot gnu dot org]

FAIL: gcc.c-torture/execute/20031215-1.c compilation,  -O2 
FAIL: gcc.c-torture/execute/20031215-1.c compilation,  -O3 -fomit-frame-pointer 
FAIL: gcc.c-torture/execute/20031215-1.c compilation,  -O3 -g 
FAIL: gcc.c-torture/execute/20031215-1.c compilation,  -Os 
UNRESOLVED: gcc.c-torture/execute/20031215-1.c execution,  -O2 
UNRESOLVED: gcc.c-torture/execute/20031215-1.c execution,  -O3 -fomit-frame-pointer 
UNRESOLVED: gcc.c-torture/execute/20031215-1.c execution,  -O3 -g 
UNRESOLVED: gcc.c-torture/execute/20031215-1.c execution,  -Os 

have appeared on mainline between 20050511 and 20050512 on platforms including
at least i686-pc-linux-gnu and hppa{2.0w,64}-hp-hpux11.{11,23}.  gcc-testresults
shows other platforms as well.

/home/gcc/nightlies/src-mainline-2005-05-12/gcc-mainline-2005-05-12/gcc/testsuite/gcc.c-torture/execute/20031215-1.c:
In function 'test1':
/home/gcc/nightlies/src-mainline-2005-05-12/gcc-mainline-2005-05-12/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
#   VUSE <ao_1>;
ao.ch[2] = 0;
/home/gcc/nightlies/src-mainline-2005-05-12/gcc-mainline-2005-05-12/gcc/testsuite/gcc.c-torture/execute/20031215-1.c:11:
internal compiler error: verify_ssa failed.
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

-- 
           Summary: [4.1 Regression] gcc.c-torture/execute/20031215-1.c
                    compilation fails
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jsm28 at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21541