Do not leak message object beyond try-catch.

src/full-codegen.h

Index: src/full-codegen.h
diff --git a/src/full-codegen.h b/src/full-codegen.h
index 34e93eedf444fd81c6154574c4d7ff52ee80ab58..58d35ef7014cdd200f25cf7e872e83bfb1690eb0 100644
--- a/src/full-codegen.h
+++ b/src/full-codegen.h
@@ -709,6 +709,7 @@ class FullCodeGenerator: public AstVisitor {
   void ExitTryBlock(int handler_index);
   void EnterFinallyBlock();
   void ExitFinallyBlock();
+  void EnterCatchBlock();

[Michael Starzinger, 2015/05/22 13:02:29]

nit: If we extend this to the "try-finally" statement as well, then it might
make sense to rename the function to ClearMessageObject() or similar instead.

 
   // Loop nesting counter.
   int loop_depth() { return loop_depth_; }