Version 5.4.500.1 (cherry-pick)

src/compiler/js-inlining.cc

Index: src/compiler/js-inlining.cc
diff --git a/src/compiler/js-inlining.cc b/src/compiler/js-inlining.cc
index 4f1dc7c708fb0328bb39b12170a0c910353e1ea2..635daa4d761421e87dd10f7ff060e7598ce91803 100644
--- a/src/compiler/js-inlining.cc
+++ b/src/compiler/js-inlining.cc
@@ -16,6 +16,7 @@
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/operator-properties.h"
+#include "src/compiler/simplified-operator.h"
 #include "src/compiler/type-hint-analyzer.h"
 #include "src/isolate-inl.h"
 #include "src/parsing/parse-info.h"
@@ -435,20 +436,15 @@ Reduction JSInliner::ReduceJSCall(Node* node, Handle<JSFunction> function) {
       NodeProperties::ReplaceEffectInput(node, create);
       // Insert a check of the return value to determine whether the return
       // value or the implicit receiver should be selected as a result of the
-      // call. The check is wired into the successful control completion.
-      Node* success = graph()->NewNode(common()->IfSuccess(), node);
-      Node* check = graph()->NewNode(
-          javascript()->CallRuntime(Runtime::kInlineIsJSReceiver, 1), node,
-          context, node, success);
+      // call.
+      Node* check = graph()->NewNode(simplified()->ObjectIsReceiver(), node);
       Node* select =
           graph()->NewNode(common()->Select(MachineRepresentation::kTagged),
                            check, node, create);
-      NodeProperties::ReplaceUses(node, select, check, check, node);
+      NodeProperties::ReplaceUses(node, select, node, node, node);
       // Fix-up inputs that have been mangled by the {ReplaceUses} call above.
       NodeProperties::ReplaceValueInput(select, node, 1);  // Fix-up input.
       NodeProperties::ReplaceValueInput(check, node, 0);   // Fix-up input.
-      NodeProperties::ReplaceEffectInput(check, node);     // Fix-up input.
-      NodeProperties::ReplaceControlInput(success, node);  // Fix-up input.
       receiver = create;  // The implicit receiver.
     }
 
@@ -527,6 +523,10 @@ JSOperatorBuilder* JSInliner::javascript() const {
 
 CommonOperatorBuilder* JSInliner::common() const { return jsgraph()->common(); }
 
+SimplifiedOperatorBuilder* JSInliner::simplified() const {
+  return jsgraph()->simplified();
+}
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8