ASTScope: TopLevelCodeDecl scopes are always current

Author: slavapestov

include/swift/AST/ASTScope.h

@@ -1321,20 +1321,16 @@ class ClosureParametersScope final : public ASTScopeImpl {
 class TopLevelCodeScope final : public ASTScopeImpl {
 public:
   TopLevelCodeDecl *const decl;
-  BraceStmt *bodyWhenLastExpanded;
 
   TopLevelCodeScope(TopLevelCodeDecl *e) : decl(e) {}
   virtual ~TopLevelCodeScope() {}
 
 protected:
   ASTScopeImpl *expandSpecifically(ScopeCreator &scopeCreator) override;
-  void beCurrent() override;
-  bool isCurrentIfWasExpanded() const override;
 
 private:
   AnnotatedInsertionPoint
   expandAScopeThatCreatesANewInsertionPoint(ScopeCreator &);
-  std::vector<ASTScopeImpl *> rescueBodyScopesToReuse();
 
 public:
   std::string getClassName() const override;

lib/AST/ASTScopeCreation.cpp

@@ -1703,11 +1703,6 @@ bool AbstractFunctionBodyScope::isCurrentIfWasExpanded() const {
   return bodyWhenLastExpanded == decl->getBody(false);
 }
 
-void TopLevelCodeScope::beCurrent() { bodyWhenLastExpanded = decl->getBody(); }
-bool TopLevelCodeScope::isCurrentIfWasExpanded() const {
-  return bodyWhenLastExpanded == decl->getBody();
-}
-
 // Try to avoid the work of counting
 static const bool assumeVarsDoNotGetAdded = true;