Removed assertion inserted only for temporary debugging.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44131 91177308-0d34-0410-b5e6-96231b3b80d8

AST/TypeSerialization.cpp

@@ -228,7 +228,6 @@ Type* TypedefType::CreateImpl(ASTContext& Context, Deserializer& D) {
   Types.push_back(T);
   
   D.ReadPtr(T->Decl); // May be backpatched.
-  assert(false);
   return T;
 }