diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 045d0ffc1f35..4e5eab49c33f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -4450,6 +4450,10 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
     break;
   }
   case ISD::EXTRACT_VECTOR_ELT:
+    assert(VT.getSizeInBits() >= N1.getValueType().getScalarSizeInBits() &&
+           "The result of EXTRACT_VECTOR_ELT must be at least as wide as the \
+             element type of the vector.");
+
     // EXTRACT_VECTOR_ELT of an UNDEF is an UNDEF.
     if (N1.isUndef())
       return getUNDEF(VT);