Clear exceptions in Invoke instead of JSEntryStub

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 81 matching lines @@
       ? isolate->factory()->js_construct_entry_code()
       : isolate->factory()->js_entry_code();
 
   {
     // Save and restore context around invocation and block the
     // allocation of handles without explicit handle scopes.
     SaveContext save(isolate);
     SealHandleScope shs(isolate);
     JSEntryFunction stub_entry = FUNCTION_CAST<JSEntryFunction>(code->entry());
 
+    if (FLAG_clear_exceptions_on_js_entry) isolate->clear_pending_exception();
+
     // Call the function through the right JS entry stub.
     Object* orig_func = *new_target;
     Object* func = *target;
     Object* recv = *receiver;
     Object*** argv = reinterpret_cast<Object***>(args);
     if (FLAG_profile_deserialization && target->IsJSFunction()) {
       PrintDeserializedCodeInfo(Handle<JSFunction>::cast(target));
     }
     RuntimeCallTimerScope timer(isolate, &RuntimeCallStats::JS_Execution);
     value = CALL_GENERATED_CODE(isolate, stub_entry, orig_func, func, recv,
@@ skipping 380 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