Revision: 21489
Author:   [email protected]
Date:     Mon May 26 11:13:18 2014 UTC
Log:      Fix memory leak caused by fuzzing.

%DebugPromiseHandlePrologue expects to be followed up by %..Epilogue,
otherwise we get a leak.

[email protected]

Review URL: https://codereview.chromium.org/301553002
http://code.google.com/p/v8/source/detail?r=21489

Modified:
 /branches/bleeding_edge/src/debug.cc

=======================================
--- /branches/bleeding_edge/src/debug.cc        Mon May 26 08:05:04 2014 UTC
+++ /branches/bleeding_edge/src/debug.cc        Mon May 26 11:13:18 2014 UTC
@@ -813,6 +813,9 @@
   // Clear the script cache.
   DestroyScriptCache();

+  // Match unmatched PromiseHandlePrologue calls.
+  while (thread_local_.promise_on_stack_) PromiseHandleEpilogue();
+
   // Clear debugger context global handle.
   GlobalHandles::Destroy(Handle<Object>::cast(debug_context_).location());
   debug_context_ = Handle<Context>();
@@ -3260,9 +3263,6 @@
 EnterDebugger::~EnterDebugger() {
   Debug* debug = isolate_->debug();

-  // Leaving this debugger entry.
-  debug->set_debugger_entry(prev_);
-
   // Restore to the previous break state.
   debug->SetBreak(break_frame_id_, break_id_);

@@ -3282,6 +3282,9 @@
       isolate_->stack_guard()->RequestDebugCommand();
     }
   }
+
+  // Leaving this debugger entry.
+  debug->set_debugger_entry(prev_);

   isolate_->debugger()->UpdateState();
 }

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