Merge bleeding edge up to 8774 into the GC branch.

src/debug.cc

Index: src/debug.cc
===================================================================
--- src/debug.cc	(revision 8778)
+++ src/debug.cc	(working copy)
@@ -169,7 +169,8 @@
       if ((code->is_inline_cache_stub() &&
            !code->is_binary_op_stub() &&
            !code->is_unary_op_stub() &&
-           !code->is_compare_ic_stub()) ||
+           !code->is_compare_ic_stub() &&
+           !code->is_to_boolean_ic_stub()) ||
           RelocInfo::IsConstructCall(rmode())) {
         break_point_++;
         return;
@@ -773,10 +774,10 @@
   bool caught_exception = false;
   Handle<JSFunction> function =
       factory->NewFunctionFromSharedFunctionInfo(function_info, context);
-  Handle<Object> result =
-      Execution::TryCall(function, Handle<Object>(context->global()),
-                         0, NULL, &caught_exception);
 
+  Execution::TryCall(function, Handle<Object>(context->global()),
+                     0, NULL, &caught_exception);
+
   // Check for caught exceptions.
   if (caught_exception) {
     Handle<Object> message = MessageHandler::MakeMessageObject(
@@ -1887,8 +1888,7 @@
       *function_name));
   ASSERT(fun->IsJSFunction());
   bool caught_exception;
-  Handle<Object> js_object = Execution::TryCall(
-      Handle<JSFunction>::cast(fun),
+  Execution::TryCall(Handle<JSFunction>::cast(fun),
       Handle<JSObject>(Debug::debug_context()->global()),
       0, NULL, &caught_exception);
 }
@@ -2256,8 +2256,7 @@
   bool caught_exception = false;
   const int argc = 1;
   Object** argv[argc] = { reinterpret_cast<Object**>(wrapper.location()) };
-  Handle<Object> result = Execution::TryCall(
-      Handle<JSFunction>::cast(update_script_break_points),
+  Execution::TryCall(Handle<JSFunction>::cast(update_script_break_points),
       Isolate::Current()->js_builtins_object(), argc, argv,
       &caught_exception);
   if (caught_exception) {
@@ -2934,7 +2933,7 @@
   v8::Handle<v8::Context> context = GetDebugEventContext(isolate);
   // Isolate::context() may be NULL when "script collected" event occures.
   ASSERT(!context.IsEmpty() || event_ == v8::ScriptCollected);
-  return GetDebugEventContext(isolate);
+  return context;
 }