[turbofan] The JSCreateWithContext operator doesn't need a frame state.

Creating a with context cannot lazy/eager deoptimize, so we don't need
to pass a frame state.

R=jarin@chromium.org

Review URL: https://codereview.chromium.org/1508373002

Cr-Commit-Position: refs/heads/master@{#32711}

src/compiler/operator-properties.cc

@@ -57,7 +57,6 @@ int OperatorProperties::GetFrameStateInputCount(const Operator* op) {
     // Context operations
     case IrOpcode::kJSLoadDynamic:
     case IrOpcode::kJSCreateScriptContext:
-    case IrOpcode::kJSCreateWithContext:
 
     // Conversions
     case IrOpcode::kJSToName:

test/unittests/compiler/js-context-relaxation-unittest.cc

@@ -173,13 +173,10 @@ TEST_F(JSContextRelaxationTest,
   Node* const context = Parameter(2);
   Node* const outer_context = Parameter(3);
   const Operator* op = javascript()->CreateWithContext();
-  Node* const frame_state_1 =
-      ShallowFrameStateChain(outer_context, CALL_MAINTAINS_NATIVE_CONTEXT);
   Node* const effect = graph()->start();
   Node* const control = graph()->start();
-  Node* nested_context =
-      graph()->NewNode(op, graph()->start(), graph()->start(), outer_context,
-                       frame_state_1, effect, control);
+  Node* nested_context = graph()->NewNode(
+      op, graph()->start(), graph()->start(), outer_context, effect, control);
   Node* const frame_state_2 =
       ShallowFrameStateChain(nested_context, CALL_MAINTAINS_NATIVE_CONTEXT);
   Node* node = graph()->NewNode(

test/unittests/compiler/js-operator-unittest.cc

@@ -80,7 +80,7 @@ const SharedOperator kSharedOperators[] = {
     SHARED(HasProperty, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
     SHARED(TypeOf, Operator::kEliminatable, 1, 0, 1, 0, 1, 1, 0),
     SHARED(InstanceOf, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
-    SHARED(CreateWithContext, Operator::kNoProperties, 2, 1, 1, 1, 1, 1, 2),
+    SHARED(CreateWithContext, Operator::kNoProperties, 2, 0, 1, 1, 1, 1, 2),
     SHARED(CreateModuleContext, Operator::kNoProperties, 2, 0, 1, 1, 1, 1, 2),
 #undef SHARED
 };

test/unittests/compiler/js-typed-lowering-unittest.cc

@@ -1124,12 +1124,11 @@ TEST_F(JSTypedLoweringTest, JSCreateWithContext) {
   Node* const object = Parameter(Type::Receiver());
   Node* const closure = Parameter(Type::Function());
   Node* const context = Parameter(Type::Any());
-  Node* const frame_state = EmptyFrameState();
   Node* const effect = graph()->start();
   Node* const control = graph()->start();
   Reduction r =
       Reduce(graph()->NewNode(javascript()->CreateWithContext(), object,
-                              closure, context, frame_state, effect, control));
+                              closure, context, effect, control));
   ASSERT_TRUE(r.Changed());
   EXPECT_THAT(r.replacement(),
               IsFinishRegion(IsAllocate(IsNumberConstant(Context::SizeFor(