Rename IS_SPEC_OBJECT to IS_JS_RECEIVER in hydrogen.

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1480273002

Cr-Commit-Position: refs/heads/master@{#32395}

src/crankshaft/hydrogen-instructions.cc

@@ -1620,7 +1620,7 @@ HValue* HUnaryMathOperation::Canonicalize() {
 
 
 HValue* HCheckInstanceType::Canonicalize() {
-  if ((check_ == IS_SPEC_OBJECT && value()->type().IsJSObject()) ||
+  if ((check_ == IS_JS_RECEIVER && value()->type().IsJSObject()) ||
       (check_ == IS_JS_ARRAY && value()->type().IsJSArray()) ||
       (check_ == IS_STRING && value()->type().IsString())) {
     return value();
@@ -1639,7 +1639,7 @@ void HCheckInstanceType::GetCheckInterval(InstanceType* first,
                                           InstanceType* last) {
   DCHECK(is_interval_check());
   switch (check_) {
-    case IS_SPEC_OBJECT:
+    case IS_JS_RECEIVER:
       *first = FIRST_JS_RECEIVER_TYPE;
       *last = LAST_JS_RECEIVER_TYPE;
       return;
@@ -1716,7 +1716,7 @@ HValue* HCheckValue::Canonicalize() {
 
 const char* HCheckInstanceType::GetCheckName() const {
   switch (check_) {
-    case IS_SPEC_OBJECT: return "object";
+    case IS_JS_RECEIVER: return "object";
     case IS_JS_ARRAY: return "array";
     case IS_JS_DATE:
       return "date";

src/crankshaft/hydrogen-instructions.h

@@ -2862,7 +2862,7 @@ class HCheckValue final : public HUnaryOperation {
 class HCheckInstanceType final : public HUnaryOperation {
  public:
   enum Check {
-    IS_SPEC_OBJECT,
+    IS_JS_RECEIVER,
     IS_JS_ARRAY,
     IS_JS_DATE,
     IS_STRING,
@@ -2880,10 +2880,9 @@ class HCheckInstanceType final : public HUnaryOperation {
 
   HType CalculateInferredType() override {
     switch (check_) {
-      case IS_SPEC_OBJECT: return HType::JSObject();
+      case IS_JS_RECEIVER: return HType::JSObject();
       case IS_JS_ARRAY: return HType::JSArray();
-      case IS_JS_DATE:
-        return HType::JSObject();
+      case IS_JS_DATE: return HType::JSObject();
       case IS_STRING: return HType::String();
       case IS_INTERNALIZED_STRING: return HType::String();
     }

src/crankshaft/hydrogen.cc

@@ -11534,7 +11534,7 @@ HControlInstruction* HOptimizedGraphBuilder::BuildCompareInstruction(
       } else {
         BuildCheckHeapObject(operand_to_check);
         Add<HCheckInstanceType>(operand_to_check,
-                                HCheckInstanceType::IS_SPEC_OBJECT);
+                                HCheckInstanceType::IS_JS_RECEIVER);
         HCompareObjectEqAndBranch* result =
             New<HCompareObjectEqAndBranch>(left, right);
         return result;