Index: llvm/lib/IR/Function.cpp
===================================================================
--- llvm/lib/IR/Function.cpp
+++ llvm/lib/IR/Function.cpp
@@ -1468,7 +1468,8 @@
         return matchIntrinsicType(PT->getNonOpaquePointerElementType(), Infos,
                                   ArgTys, DeferredChecks, IsDeferredCheck);
       // Consume IIT descriptors relating to the pointer element type.
-      while (Infos.front().Kind == IITDescriptor::Pointer)
+      while (Infos.front().Kind == IITDescriptor::Pointer ||
+             Infos.front().Kind == IITDescriptor::Vector)
         Infos = Infos.slice(1);
       Infos = Infos.slice(1);
       return false;