diff --git a/include/llvm/Analysis/PtrUseVisitor.h b/include/llvm/Analysis/PtrUseVisitor.h
index 6e61fc3be38..2fe7c672526 100644
--- a/include/llvm/Analysis/PtrUseVisitor.h
+++ b/include/llvm/Analysis/PtrUseVisitor.h
@@ -196,7 +196,10 @@ class PtrUseVisitor : protected InstVisitor<DerivedT>,
   typedef InstVisitor<DerivedT> Base;
 
 public:
-  PtrUseVisitor(const DataLayout &DL) : PtrUseVisitorBase(DL) {}
+  PtrUseVisitor(const DataLayout &DL) : PtrUseVisitorBase(DL) {
+    static_assert(std::is_base_of<PtrUseVisitor, DerivedT>::value,
+                  "Must pass the derived type to this template!");
+  }
 
   /// \brief Recursively visit the uses of the given pointer.
   /// \returns An info struct about the pointer. See \c PtrInfo for details.
diff --git a/include/llvm/IR/InstVisitor.h b/include/llvm/IR/InstVisitor.h
index 088d3e0fbfa..55579819fd3 100644
--- a/include/llvm/IR/InstVisitor.h
+++ b/include/llvm/IR/InstVisitor.h
@@ -116,6 +116,9 @@ public:
   // visit - Finally, code to visit an instruction...
   //
   RetTy visit(Instruction &I) {
+    static_assert(std::is_base_of<InstVisitor, SubClass>::value,
+                  "Must pass the derived type to this template!");
+
     switch (I.getOpcode()) {
     default: llvm_unreachable("Unknown instruction type encountered!");
       // Build the switch statement using the Instruction.def file...