Revert of Remove obsolete V8_INFINITY macro.

test/cctest/test-double.cc

Index: test/cctest/test-double.cc
diff --git a/test/cctest/test-double.cc b/test/cctest/test-double.cc
index 3ff263daca7f386a52cddd2218845b9cbb0a546a..16dcb37101ef6501db6252b79c799af1ad3da2e8 100644
--- a/test/cctest/test-double.cc
+++ b/test/cctest/test-double.cc
@@ -103,8 +103,8 @@
 
 
 TEST(IsSpecial) {
-  CHECK(Double(std::numeric_limits<double>::infinity()).IsSpecial());
-  CHECK(Double(-std::numeric_limits<double>::infinity()).IsSpecial());
+  CHECK(Double(V8_INFINITY).IsSpecial());
+  CHECK(Double(-V8_INFINITY).IsSpecial());
   CHECK(Double(v8::base::OS::nan_value()).IsSpecial());
   uint64_t bits = V8_2PART_UINT64_C(0xFFF12345, 00000000);
   CHECK(Double(bits).IsSpecial());
@@ -126,8 +126,8 @@
 
 
 TEST(IsInfinite) {
-  CHECK(Double(std::numeric_limits<double>::infinity()).IsInfinite());
-  CHECK(Double(-std::numeric_limits<double>::infinity()).IsInfinite());
+  CHECK(Double(V8_INFINITY).IsInfinite());
+  CHECK(Double(-V8_INFINITY).IsInfinite());
   CHECK(!Double(v8::base::OS::nan_value()).IsInfinite());
   CHECK(!Double(0.0).IsInfinite());
   CHECK(!Double(-0.0).IsInfinite());
@@ -140,8 +140,8 @@
 
 TEST(Sign) {
   CHECK_EQ(1, Double(1.0).Sign());
-  CHECK_EQ(1, Double(std::numeric_limits<double>::infinity()).Sign());
-  CHECK_EQ(-1, Double(-std::numeric_limits<double>::infinity()).Sign());
+  CHECK_EQ(1, Double(V8_INFINITY).Sign());
+  CHECK_EQ(-1, Double(-V8_INFINITY).Sign());
   CHECK_EQ(1, Double(0.0).Sign());
   CHECK_EQ(-1, Double(-0.0).Sign());
   uint64_t min_double64 = V8_2PART_UINT64_C(0x00000000, 00000001);
@@ -225,8 +225,7 @@
   CHECK_EQ(-0.0, d1.value());
   CHECK_EQ(0.0, d2.value());
   CHECK_EQ(4e-324, d2.NextDouble());
-  CHECK_EQ(-1.7976931348623157e308,
-           Double(-std::numeric_limits<double>::infinity()).NextDouble());
-  CHECK_EQ(std::numeric_limits<double>::infinity(),
+  CHECK_EQ(-1.7976931348623157e308, Double(-V8_INFINITY).NextDouble());
+  CHECK_EQ(V8_INFINITY,
            Double(V8_2PART_UINT64_C(0x7fefffff, ffffffff)).NextDouble());
 }