Fix unwanted float-to-double-promotions

test/cctest/test-serialize.cc

 // Copyright 2007-2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1258 matching lines @@
   }
   CHECK_NE(*orig, *copy);
 
   Handle<JSFunction> copy_fun =
       isolate->factory()->NewFunctionFromSharedFunctionInfo(
           copy, isolate->native_context());
 
   Handle<Object> copy_result =
       Execution::Call(isolate, copy_fun, global, 0, NULL).ToHandleChecked();
 
-  CHECK_EQ(15.0f, copy_result->Number());
+  CHECK_EQ(15.0, copy_result->Number());
 
   delete cache;
 }
 
 
 TEST(SerializeToplevelLargeExternalString) {
   FLAG_serialize_toplevel = true;
   LocalContext context;
   Isolate* isolate = CcTest::i_isolate();
   isolate->compilation_cache()->Disable();  // Disable same-isolate code cache.
@@ skipping 37 matching lines @@
                          v8::ScriptCompiler::kConsumeCodeCache);
   }
   CHECK_NE(*orig, *copy);
 
   Handle<JSFunction> copy_fun =
       f->NewFunctionFromSharedFunctionInfo(copy, isolate->native_context());
 
   Handle<Object> copy_result =
       Execution::Call(isolate, copy_fun, global, 0, NULL).ToHandleChecked();
 
-  CHECK_EQ(42.0f, copy_result->Number());
+  CHECK_EQ(42.0, copy_result->Number());
 
   delete cache;
   string.Dispose();
 }
 
 
 TEST(SerializeToplevelExternalScriptName) {
   FLAG_serialize_toplevel = true;
   LocalContext context;
   Isolate* isolate = CcTest::i_isolate();
@@ skipping 30 matching lines @@
                          v8::ScriptCompiler::kConsumeCodeCache);
   }
   CHECK_NE(*orig, *copy);
 
   Handle<JSFunction> copy_fun =
       f->NewFunctionFromSharedFunctionInfo(copy, isolate->native_context());
 
   Handle<Object> copy_result =
       Execution::Call(isolate, copy_fun, global, 0, NULL).ToHandleChecked();
 
-  CHECK_EQ(10.0f, copy_result->Number());
+  CHECK_EQ(10.0, copy_result->Number());
 
   delete cache;
 }
 
 
 static bool toplevel_test_code_event_found = false;
 
 
 static void SerializerCodeEventListener(const v8::JitCodeEvent* event) {
   if (event->type == v8::JitCodeEvent::CODE_ADDED &&
@@ skipping 287 matching lines @@
   delete script_data;
 }
 
 
 TEST(SerializationMemoryStats) {
   FLAG_profile_deserialization = true;
   FLAG_always_opt = false;
   v8::StartupData blob = v8::V8::CreateSnapshotDataBlob();
   delete[] blob.data;
 }