Index: llvm/include/llvm/ADT/Any.h
===================================================================
--- llvm/include/llvm/ADT/Any.h
+++ llvm/include/llvm/ADT/Any.h
@@ -41,7 +41,9 @@
       return std::make_unique<StorageImpl<T>>(Value);
     }
 
-    const void *id() const override { return &TypeId<T>::Id; }
+    LLVM_EXTERNAL_VISIBILITY const void *id() const override {
+      return &TypeId<T>::Id;
+    }
 
     T Value;
 
@@ -108,10 +110,10 @@
   std::unique_ptr<StorageBase> Storage;
 };
 
-template <typename T> const char Any::TypeId<T>::Id = 0;
-
+template <typename T>
+LLVM_EXTERNAL_VISIBILITY const char Any::TypeId<T>::Id = 0;
 
-template <typename T> bool any_isa(const Any &Value) {
+template <typename T> LLVM_EXTERNAL_VISIBILITY bool any_isa(const Any &Value) {
   if (!Value.Storage)
     return false;
   return Value.Storage->id() == &Any::TypeId<remove_cvref_t<T>>::Id;