diff --git a/llvm/lib/Transforms/Scalar/Scalarizer.cpp b/llvm/lib/Transforms/Scalar/Scalarizer.cpp
--- a/llvm/lib/Transforms/Scalar/Scalarizer.cpp
+++ b/llvm/lib/Transforms/Scalar/Scalarizer.cpp
@@ -290,10 +290,8 @@
   Size = cast<FixedVectorType>(Ty)->getNumElements();
   if (!CachePtr)
     Tmp.resize(Size, nullptr);
-  else if (CachePtr->empty())
-    CachePtr->resize(Size, nullptr);
   else
-    assert(Size == CachePtr->size() && "Inconsistent vector sizes");
+    CachePtr->resize(Size, nullptr);
 }
 
 // Return component I, creating a new Value for it if necessary.