DO NOT COMMIT: Check there's no scheduled exceptions in Call

src/execution.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/execution.h"
 
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/isolate-inl.h"
 #include "src/messages.h"
@@ skipping 122 matching lines @@
   return Handle<Object>(value, isolate);
 }
 
 }  // namespace
 
 
 // static
 MaybeHandle<Object> Execution::Call(Isolate* isolate, Handle<Object> callable,
                                     Handle<Object> receiver, int argc,
                                     Handle<Object> argv[]) {
+  CHECK(!isolate->has_scheduled_exception());
   // Convert calls on global objects to be calls on the global
   // receiver instead to avoid having a 'this' pointer which refers
   // directly to a global object.
   if (receiver->IsJSGlobalObject()) {
     receiver =
         handle(Handle<JSGlobalObject>::cast(receiver)->global_proxy(), isolate);
   }
 
   // api callbacks can be called directly.
   if (callable->IsJSFunction() &&
@@ skipping 341 matching lines @@
 
   isolate_->counters()->stack_interrupts()->Increment();
   isolate_->counters()->runtime_profiler_ticks()->Increment();
   isolate_->runtime_profiler()->MarkCandidatesForOptimization();
 
   return isolate_->heap()->undefined_value();
 }
 
 }  // namespace internal
 }  // namespace v8