diff --git a/llvm/unittests/AsmParser/AsmParserTest.cpp b/llvm/unittests/AsmParser/AsmParserTest.cpp
--- a/llvm/unittests/AsmParser/AsmParserTest.cpp
+++ b/llvm/unittests/AsmParser/AsmParserTest.cpp
@@ -230,7 +230,7 @@
   ASSERT_TRUE(Ty->isVectorTy());
 
   // Check the details of the vector.
-  VectorType *VT = cast<VectorType>(Ty);
+  auto *VT = cast<FixedVectorType>(Ty);
   ASSERT_TRUE(VT->getNumElements() == 5);
   ASSERT_TRUE(VT->getPrimitiveSizeInBits().getFixedSize() == 160);
   Ty = VT->getElementType();
@@ -362,7 +362,7 @@
   ASSERT_TRUE(Read == 9);
 
   // Check the details of the vector.
-  VectorType *VT = cast<VectorType>(Ty);
+  auto *VT = cast<FixedVectorType>(Ty);
   ASSERT_TRUE(VT->getNumElements() == 5);
   ASSERT_TRUE(VT->getPrimitiveSizeInBits().getFixedSize() == 160);
   Ty = VT->getElementType();