[date] Use explicit control flow to replace %_ThrowIfNotADate.

test/cctest/compiler/test-run-intrinsics.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "test/cctest/compiler/function-tester.h"
 
 using namespace v8::internal;
 using namespace v8::internal::compiler;
@@ skipping 56 matching lines @@
   T.CheckCall(T.undefined());
   CHECK_EQ(old_value + 1, *counter.GetInternalPointer());
 }
 
 #undef COUNTER_NAME
 
 
 TEST(IsArray) {
   FunctionTester T("(function(a) { return %_IsArray(a); })", flags);
 
+  T.CheckFalse(T.NewObject("new Date()"));
   T.CheckFalse(T.NewObject("(function() {})"));
   T.CheckTrue(T.NewObject("([1])"));
   T.CheckFalse(T.NewObject("({})"));
   T.CheckFalse(T.NewObject("(/x/)"));
   T.CheckFalse(T.undefined());
   T.CheckFalse(T.null());
   T.CheckFalse(T.Val("x"));
   T.CheckFalse(T.Val(1));
 }
 
 
+TEST(IsDate) {
+  FunctionTester T("(function(a) { return %_IsDate(a); })", flags);
+
+  T.CheckTrue(T.NewObject("new Date()"));
+  T.CheckFalse(T.NewObject("(function() {})"));
+  T.CheckFalse(T.NewObject("([1])"));
+  T.CheckFalse(T.NewObject("({})"));
+  T.CheckFalse(T.NewObject("(/x/)"));
+  T.CheckFalse(T.undefined());
+  T.CheckFalse(T.null());
+  T.CheckFalse(T.Val("x"));
+  T.CheckFalse(T.Val(1));
+}
+
+
 TEST(IsFunction) {
   FunctionTester T("(function(a) { return %_IsFunction(a); })", flags);
 
+  T.CheckFalse(T.NewObject("new Date()"));
   T.CheckTrue(T.NewObject("(function() {})"));
   T.CheckFalse(T.NewObject("([1])"));
   T.CheckFalse(T.NewObject("({})"));
   T.CheckFalse(T.NewObject("(/x/)"));
   T.CheckFalse(T.undefined());
   T.CheckFalse(T.null());
   T.CheckFalse(T.Val("x"));
   T.CheckFalse(T.Val(1));
 }
 
@@ skipping 32 matching lines @@
   T.CheckFalse(T.undefined());
   T.CheckTrue(T.null());
   T.CheckFalse(T.Val("x"));
   T.CheckFalse(T.Val(1));
 }
 
 
 TEST(IsRegExp) {
   FunctionTester T("(function(a) { return %_IsRegExp(a); })", flags);
 
+  T.CheckFalse(T.NewObject("new Date()"));
   T.CheckFalse(T.NewObject("(function() {})"));
   T.CheckFalse(T.NewObject("([1])"));
   T.CheckFalse(T.NewObject("({})"));
   T.CheckTrue(T.NewObject("(/x/)"));
   T.CheckFalse(T.undefined());
   T.CheckFalse(T.null());
   T.CheckFalse(T.Val("x"));
   T.CheckFalse(T.Val(1));
 }
 
@@ skipping 174 matching lines @@
 
 
 TEST(ValueOf) {
   FunctionTester T("(function(a) { return %_ValueOf(a); })", flags);
 
   T.CheckCall(T.Val("a"), T.Val("a"));
   T.CheckCall(T.Val("b"), T.NewObject("(new String('b'))"));
   T.CheckCall(T.Val(123), T.Val(123));
   T.CheckCall(T.Val(456), T.NewObject("(new Number(456))"));
 }