[turbofan] Pass NoContextConstant to stubs that don't need a context.

src/compiler/js-generic-lowering.cc

Index: src/compiler/js-generic-lowering.cc
diff --git a/src/compiler/js-generic-lowering.cc b/src/compiler/js-generic-lowering.cc
index 51fb4d6f143a46439ca3109672c2e5f89d71ac06..ac36cc7913a82db3976569aa182831692be718f0 100644
--- a/src/compiler/js-generic-lowering.cc
+++ b/src/compiler/js-generic-lowering.cc
@@ -116,6 +116,8 @@ void JSGenericLowering::ReplaceWithRuntimeCall(Node* node,
 }
 
 void JSGenericLowering::LowerJSStrictEqual(Node* node) {
+  // The === operator doesn't need the current context.
+  NodeProperties::ReplaceContextInput(node, jsgraph()->NoContextConstant());
   Callable callable = CodeFactory::StrictEqual(isolate());
   node->RemoveInput(4);  // control
   ReplaceWithStubCall(node, callable, CallDescriptor::kNoFlags,
@@ -123,6 +125,8 @@ void JSGenericLowering::LowerJSStrictEqual(Node* node) {
 }
 
 void JSGenericLowering::LowerJSStrictNotEqual(Node* node) {
+  // The !== operator doesn't need the current context.
+  NodeProperties::ReplaceContextInput(node, jsgraph()->NoContextConstant());
   Callable callable = CodeFactory::StrictNotEqual(isolate());
   node->RemoveInput(4);  // control
   ReplaceWithStubCall(node, callable, CallDescriptor::kNoFlags,
@@ -130,6 +134,8 @@ void JSGenericLowering::LowerJSStrictNotEqual(Node* node) {
 }
 
 void JSGenericLowering::LowerJSToBoolean(Node* node) {
+  // The ToBoolean conversion doesn't need the current context.
+  NodeProperties::ReplaceContextInput(node, jsgraph()->NoContextConstant());
   Callable callable = CodeFactory::ToBoolean(isolate());
   node->AppendInput(zone(), graph()->start());
   ReplaceWithStubCall(node, callable, CallDescriptor::kNoAllocate,
@@ -137,6 +143,8 @@ void JSGenericLowering::LowerJSToBoolean(Node* node) {
 }
 
 void JSGenericLowering::LowerJSTypeOf(Node* node) {
+  // The typeof operator doesn't need the current context.
+  NodeProperties::ReplaceContextInput(node, jsgraph()->NoContextConstant());
   Callable callable = CodeFactory::Typeof(isolate());
   node->AppendInput(zone(), graph()->start());
   ReplaceWithStubCall(node, callable, CallDescriptor::kNoAllocate,