As discussed in the PR and referenced by the comment in the testcase
itself, the failure is expected on PowerPC and also occurs on SPARC.
Thanks, David
* gcc.dg/tree-ssa/ssa-dom-cse-2.c: XFAIL for powerpc*-*-* and sparc*-*-*.
Index: ssa-dom-cse-2.c
===================================================================
--- ssa-dom-cse-2.c (revision 220256)
+++ ssa-dom-cse-2.c (working copy)
@@ -20,5 +20,5 @@
/* See PR63679, if the target forces the initializer to memory then
DOM is not able to perform this optimization. */
-/* { dg-final { scan-tree-dump "return 28;" "optimized" { xfail
hppa*-*-* } } } */
+/* { dg-final { scan-tree-dump "return 28;" "optimized" { xfail
hppa*-*-* powerpc*-*-* sparc*-*-*} } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */