[turbofan] Fix receiver binding for inlined callees.

src/compiler/js-operator.h

Index: src/compiler/js-operator.h
diff --git a/src/compiler/js-operator.h b/src/compiler/js-operator.h
index 60a20ad0145b25fc95e90e959bd6abe1921305e2..cc50cc23a56df9ab224b8bc96254ec965c8e90a8 100644
--- a/src/compiler/js-operator.h
+++ b/src/compiler/js-operator.h
@@ -41,8 +41,26 @@ bool operator!=(VectorSlotPair const&, VectorSlotPair const&);
 
 size_t hash_value(VectorSlotPair const&);
 
+
+// Defines hints about receiver values based on structural knowledge. This is
+// used as a parameter by JSConvertReceiver operators.
+enum class ConvertReceiverMode {
+  kNullOrUndefined,     // Guaranteed to be null or undefined.
+  kNotNullOrUndefined,  // Guaranteed to never be null or undefined.
+  kAny                  // No specific knowledge about receiver.
+};
+
+size_t hash_value(ConvertReceiverMode const&);
+
+std::ostream& operator<<(std::ostream&, ConvertReceiverMode const&);
+
+const ConvertReceiverMode& ConvertReceiverModeOf(const Operator* op);
+
+
+// Defines whether tail call optimization is allowed.
 enum TailCallMode { NO_TAIL_CALLS, ALLOW_TAIL_CALLS };
 
+
 // Defines the arity and the call flags for a JavaScript function call. This is
 // used as a parameter by JSCallFunction operators.
 class CallFunctionParameters final {
@@ -50,22 +68,27 @@ class CallFunctionParameters final {
   CallFunctionParameters(size_t arity, CallFunctionFlags flags,
                          LanguageMode language_mode,
                          VectorSlotPair const& feedback,
-                         TailCallMode tail_call_mode)
+                         TailCallMode tail_call_mode,
+                         ConvertReceiverMode convert_mode)
       : bit_field_(ArityField::encode(arity) | FlagsField::encode(flags) |
                    LanguageModeField::encode(language_mode)),
         feedback_(feedback),
-        tail_call_mode_(tail_call_mode) {}
+        tail_call_mode_(tail_call_mode),
+        convert_mode_(convert_mode) {}
 
   size_t arity() const { return ArityField::decode(bit_field_); }
   CallFunctionFlags flags() const { return FlagsField::decode(bit_field_); }
   LanguageMode language_mode() const {
     return LanguageModeField::decode(bit_field_);
   }
+  ConvertReceiverMode convert_mode() const { return convert_mode_; }
   VectorSlotPair const& feedback() const { return feedback_; }
 
   bool operator==(CallFunctionParameters const& that) const {
     return this->bit_field_ == that.bit_field_ &&
-           this->feedback_ == that.feedback_;
+           this->feedback_ == that.feedback_ &&
+           this->tail_call_mode_ == that.tail_call_mode_ &&
+           this->convert_mode_ == that.convert_mode_;
   }
   bool operator!=(CallFunctionParameters const& that) const {
     return !(*this == that);
@@ -75,7 +98,7 @@ class CallFunctionParameters final {
 
  private:
   friend size_t hash_value(CallFunctionParameters const& p) {
-    return base::hash_combine(p.bit_field_, p.feedback_);
+    return base::hash_combine(p.bit_field_, p.feedback_, p.convert_mode_);
   }
 
   typedef BitField<size_t, 0, 28> ArityField;
@@ -84,7 +107,8 @@ class CallFunctionParameters final {
 
   const uint32_t bit_field_;
   const VectorSlotPair feedback_;
-  bool tail_call_mode_;
+  TailCallMode tail_call_mode_;
+  ConvertReceiverMode convert_mode_;
 };
 
 size_t hash_value(CallFunctionParameters const&);
@@ -440,11 +464,13 @@ class JSOperatorBuilder final : public ZoneObject {
   const Operator* CallFunction(
       size_t arity, CallFunctionFlags flags, LanguageMode language_mode,
       VectorSlotPair const& feedback = VectorSlotPair(),
+      ConvertReceiverMode convert_mode = ConvertReceiverMode::kAny,
       TailCallMode tail_call_mode = NO_TAIL_CALLS);
   const Operator* CallRuntime(Runtime::FunctionId id, size_t arity);
-
   const Operator* CallConstruct(int arguments);
 
+  const Operator* ConvertReceiver(ConvertReceiverMode convert_mode);
+
   const Operator* LoadProperty(LanguageMode language_mode,
                                VectorSlotPair const& feedback);
   const Operator* LoadNamed(LanguageMode language_mode, Handle<Name> name,