Stop using with explicitly to implement try/catch.

src/ast.cc

Index: src/ast.cc
diff --git a/src/ast.cc b/src/ast.cc
index 436fb69b36ebcf74829bd5d2cfb7bb2cf1606eba..21d7007c6492e38bcb99d648eb8e00571d016d41 100644
--- a/src/ast.cc
+++ b/src/ast.cc
@@ -293,11 +293,11 @@ void ObjectLiteral::CalculateEmitStore() {
 
 void TargetCollector::AddTarget(Label* target) {
   // Add the label to the collector, but discard duplicates.
-  int length = targets_->length();
+  int length = targets_.length();
   for (int i = 0; i < length; i++) {
-    if (targets_->at(i) == target) return;
+    if (targets_[i] == target) return;
   }
-  targets_->Add(target);
+  targets_.Add(target);
 }
 
 
@@ -392,11 +392,6 @@ bool TryFinallyStatement::IsInlineable() const {
 }
 
 
-bool CatchExtensionObject::IsInlineable() const {
-  return false;
-}
-
-
 bool DebuggerStatement::IsInlineable() const {
   return false;
 }