[async-functions] support await expressions in finally statements

src/crankshaft/typing.cc

Index: src/crankshaft/typing.cc
diff --git a/src/crankshaft/typing.cc b/src/crankshaft/typing.cc
index bbf629d45e93d8ba80ac97781d15de7eaa3041ff..91c1b8e3817ae633f6665ac5a1b4b2a10b2ef334 100644
--- a/src/crankshaft/typing.cc
+++ b/src/crankshaft/typing.cc
@@ -469,7 +469,6 @@ void AstTyper::VisitAssignment(Assignment* expr) {
 
 
 void AstTyper::VisitYield(Yield* expr) {
-  RECURSE(Visit(expr->generator_object()));
   RECURSE(Visit(expr->expression()));
 
   // We don't know anything about the result type.
@@ -758,6 +757,8 @@ void AstTyper::VisitEmptyParentheses(EmptyParentheses* expr) {
 
 void AstTyper::VisitGetIterator(GetIterator* expr) { UNREACHABLE(); }
 
+void AstTyper::VisitInternalVariable(InternalVariable* expr) { UNREACHABLE(); }
+
 void AstTyper::VisitThisFunction(ThisFunction* expr) {}