Add missing BailoutId and FrameState to with statements.

src/ast.h

Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index dd4941673f7bf164c1285778ef46a20fba007bf1..a797272cec2d42432c94e6a7f09ad02c64a9a0f8 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -1102,19 +1102,32 @@ class WithStatement FINAL : public Statement {
   Expression* expression() const { return expression_; }
   Statement* statement() const { return statement_; }
 
+  void set_base_id(int id) { base_id_ = id; }

[Benedikt Meurer, 2015/01/22 10:35:17]

There are no words to describe how ugly this is...

+  static int num_ids() { return parent_num_ids() + 1; }
+  BailoutId EntryId() const { return BailoutId(local_id(0)); }
+
  protected:
-  WithStatement(
-      Zone* zone, Scope* scope,
-      Expression* expression, Statement* statement, int pos)
+  WithStatement(Zone* zone, Scope* scope, Expression* expression,
+                Statement* statement, int pos)
       : Statement(zone, pos),
         scope_(scope),
         expression_(expression),
-        statement_(statement) { }
+        statement_(statement),
+        base_id_(BailoutId::None().ToInt()) {}
+  static int parent_num_ids() { return 0; }
+
+  int base_id() const {
+    DCHECK(!BailoutId(base_id_).IsNone());
+    return base_id_;
+  }
 
  private:
+  int local_id(int n) const { return base_id() + parent_num_ids() + n; }
+
   Scope* scope_;
   Expression* expression_;
   Statement* statement_;
+  int base_id_;
 };