Revert of Correctly propagate terminate exception in TryCall. (patchset #2...

Revert of Correctly propagate terminate exception in TryCall. (patchset #2 id:20001 of https://codereview.chromium.org/928193002/)

Reason for revert:
See crbug.com/460412 and crbug.com/460356. Reverting on master in order to roll from master again soon.

Original issue's description:
> Correctly propagate terminate exception in TryCall.
>
> BUG=v8:3892
> LOG=Y
>
> Committed: https://crrev.com/a49b55b78844557b65a98e7a77dd26078157ed7f
> Cr-Commit-Position: refs/heads/master@{#26685}

TBR=ishell@chromium.org,yangguo@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:3892

Review URL: https://codereview.chromium.org/946973004

Cr-Commit-Position: refs/heads/master@{#26792}

src/execution.cc

@@ -210,18 +210,19 @@ MaybeHandle<Object> Execution::TryCall(Handle<JSFunction> func,
       DCHECK(catcher.HasCaught());
       DCHECK(isolate->has_pending_exception());
       DCHECK(isolate->external_caught_exception());
-      if (isolate->pending_exception() ==
-          isolate->heap()->termination_exception()) {
-        is_termination = true;
-      } else {
-        if (exception_out != NULL) {
+      if (exception_out != NULL) {
+        if (isolate->pending_exception() ==
+            isolate->heap()->termination_exception()) {
+          is_termination = true;
+        } else {
           *exception_out = v8::Utils::OpenHandle(*catcher.Exception());
         }
       }
-      isolate->OptionalRescheduleException(false);
+      isolate->OptionalRescheduleException(true);
     }
 
     DCHECK(!isolate->has_pending_exception());
+    DCHECK(!isolate->external_caught_exception());
   }
   if (is_termination) isolate->TerminateExecution();
   return maybe_result;

test/cctest/test-thread-termination.cc

@@ -474,33 +474,3 @@ TEST(ErrorObjectAfterTermination) {
   // TODO(yangguo): crbug/403509. Check for empty handle instead.
   CHECK(error->IsUndefined());
 }
-
-
-void InnerTryCallTerminate(const v8::FunctionCallbackInfo<v8::Value>& args) {
-  CHECK(!v8::V8::IsExecutionTerminating(args.GetIsolate()));
-  v8::Handle<v8::Object> global = CcTest::global();
-  v8::Handle<v8::Function> loop =
-      v8::Handle<v8::Function>::Cast(global->Get(v8_str("loop")));
-  i::MaybeHandle<i::Object> result =
-      i::Execution::TryCall(v8::Utils::OpenHandle((*loop)),
-                            v8::Utils::OpenHandle((*global)), 0, NULL, NULL);
-  CHECK(result.is_null());
-  CHECK(v8::V8::IsExecutionTerminating(CcTest::isolate()));
-}
-
-
-TEST(TerminationInInnerTryCall) {
-  v8::Isolate* isolate = CcTest::isolate();
-  v8::HandleScope scope(isolate);
-  v8::Handle<v8::ObjectTemplate> global_template = CreateGlobalTemplate(
-      CcTest::isolate(), TerminateCurrentThread, DoLoopNoCall);
-  global_template->Set(
-      v8_str("inner_try_call_terminate"),
-      v8::FunctionTemplate::New(isolate, InnerTryCallTerminate));
-  v8::Handle<v8::Context> context =
-      v8::Context::New(CcTest::isolate(), NULL, global_template);
-  v8::Context::Scope context_scope(context);
-  v8::TryCatch try_catch;
-  CompileRun("inner_try_call_terminate()");
-  CHECK(try_catch.HasTerminated());
-}