Apply the patch from PR8958, which allows llc to get slightly
further on the associated testcase before aborting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123346 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index d0d9e58..eb697ba 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1378,7 +1378,8 @@
                                Result.getValueType(),
                                Result, DAG.getValueType(SrcVT));
         else
-          ValRes = DAG.getZeroExtendInReg(Result, dl, SrcVT);
+          ValRes = DAG.getZeroExtendInReg(Result, dl,
+                                          SrcVT.getVectorElementType());
         Tmp1 = LegalizeOp(ValRes);  // Relegalize new nodes.
         Tmp2 = LegalizeOp(Result.getValue(1));  // Relegalize new nodes.
         break;