Mems can be in the output list also.  This is the second half of a fix for
PR833


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29224 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 3968c38..e8e7a47 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -2167,7 +2167,8 @@
           // Advance to the next operand.
           unsigned NumOps = 
             cast<ConstantSDNode>(AsmNodeOperands[CurOp])->getValue();
-          assert((NumOps & 7) == 2 /*REGDEF*/ &&
+          assert(((NumOps & 7) == 2 /*REGDEF*/ ||
+                  (NumOps & 7) == 4 /*MEM*/) &&
                  "Skipped past definitions?");
           CurOp += (NumOps>>3)+1;
         }