Revert "Fix memory leak complicated non-type template arguments."

This reverts commit ed13d8c.

This is part of 5 commits being reverted due to https://crbug.com/1161059. See bug for repro.

Author: aeubanks

clang/include/clang/AST/ASTContext.h

@@ -2818,8 +2818,8 @@ class ASTContext : public RefCountedBase<ASTContext> {
   /// for destruction.
   template <typename T> void addDestruction(T *Ptr) const {
     if (!std::is_trivially_destructible<T>::value) {
-      auto DestroyPtr = [](void *V) { ((T*)V)->~T(); };
-      AddDeallocation(DestroyPtr, (void*)Ptr);
+      auto DestroyPtr = [](void *V) { static_cast<T *>(V)->~T(); };
+      AddDeallocation(DestroyPtr, Ptr);
     }
   }
 

clang/lib/AST/TemplateBase.cpp

@@ -137,7 +137,6 @@ TemplateArgument::TemplateArgument(const ASTContext &Ctx, QualType Type,
   else {
     Value.Kind = UncommonValue;
     Value.Value = new (Ctx) APValue(V);
-    Ctx.addDestruction(Value.Value);
     Value.Type = Type.getAsOpaquePtr();
   }
 }