[async-functions] support await expressions in finally statements

src/ast/ast-expression-rewriter.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/ast/ast-expression-rewriter.h"
 #include "src/ast/ast.h"
 #include "src/objects-inl.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 169 matching lines @@
 
 
 void AstExpressionRewriter::VisitDebuggerStatement(DebuggerStatement* node) {
   NOTHING();
 }
 
 
 void AstExpressionRewriter::VisitFunctionLiteral(FunctionLiteral* node) {
   REWRITE_THIS(node);
   VisitDeclarations(node->scope()->declarations());
+  Block* init_block = node->parameter_init_block();
+  if (init_block != nullptr) VisitBlock(init_block);
   ZoneList<Statement*>* body = node->body();
   if (body != nullptr) VisitStatements(body);
 }
 
 
 void AstExpressionRewriter::VisitClassLiteral(ClassLiteral* node) {
   REWRITE_THIS(node);
   // Not visiting `class_variable_proxy_`.
   if (node->extends() != nullptr) {
     AST_REWRITE_PROPERTY(Expression, node, extends);
@@ skipping 61 matching lines @@
 
 void AstExpressionRewriter::VisitAssignment(Assignment* node) {
   REWRITE_THIS(node);
   AST_REWRITE_PROPERTY(Expression, node, target);
   AST_REWRITE_PROPERTY(Expression, node, value);
 }
 
 
 void AstExpressionRewriter::VisitYield(Yield* node) {
   REWRITE_THIS(node);
-  AST_REWRITE_PROPERTY(Expression, node, generator_object);
   AST_REWRITE_PROPERTY(Expression, node, expression);
 }
 
 
 void AstExpressionRewriter::VisitThrow(Throw* node) {
   REWRITE_THIS(node);
   AST_REWRITE_PROPERTY(Expression, node, exception);
 }
 
 
@@ skipping 88 matching lines @@
 
 
 void AstExpressionRewriter::VisitEmptyParentheses(EmptyParentheses* node) {
   NOTHING();
 }
 
 void AstExpressionRewriter::VisitGetIterator(GetIterator* node) {
   AST_REWRITE_PROPERTY(Expression, node, iterable);
 }
 
+void AstExpressionRewriter::VisitInternalVariable(InternalVariable* node) {
+  NOTHING();
+}
+
 void AstExpressionRewriter::VisitDoExpression(DoExpression* node) {
   REWRITE_THIS(node);
   AST_REWRITE_PROPERTY(Block, node, block);
   AST_REWRITE_PROPERTY(VariableProxy, node, result);
 }
 
 
 void AstExpressionRewriter::VisitRewritableExpression(
     RewritableExpression* node) {
   REWRITE_THIS(node);
   AST_REWRITE(Expression, node->expression(), node->Rewrite(replacement));
 }
 
 
 }  // namespace internal
 }  // namespace v8