re PR tree-optimization/17558 (internal compiler error: in merge_alias_info, at…

re PR tree-optimization/17558 (internal compiler error: in merge_alias_info, at tree-ssa-copy.c:182)

2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/17558
        * gcc.c-torture/compile/pr17558.c: New test.

From-SVN: r87773

gcc/testsuite/ChangeLog

+2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	PR tree-opt/17558 
+	* gcc.c-torture/compile/pr17558.c: New test.
+
 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
 
 	* gcc.dg/compat/sdata-section.h (SDATA_SECTION): Don't use an attribute

gcc/testsuite/gcc.c-torture/compile/pr17558.c

+struct xobject {
+       char type;
+};
+extern struct xobject *t1_Xform ( struct xobject *obj);
+struct xobject *
+t1_Xform(struct xobject *obj)
+{
+  register struct font *F = (struct font *) obj;
+  return((struct xobject*)F);
+}