Hide Math function implementations in a closure.

test/cctest/test-heap-profiler.cc

 // Copyright 2011 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 2361 matching lines @@
 
 TEST(CheckCodeNames) {
   LocalContext env;
   v8::HandleScope scope(env->GetIsolate());
   v8::HeapProfiler* heap_profiler = env->GetIsolate()->GetHeapProfiler();
   CompileRun("var a = 1.1;");
   const v8::HeapSnapshot* snapshot =
       heap_profiler->TakeHeapSnapshot(v8_str("CheckCodeNames"));
   CHECK(ValidateSnapshot(snapshot));
 
-  const char* stub_path[] = {
-    "::(GC roots)",
-    "::(Strong roots)",
-    "code_stubs::",
-    "::(ArraySingleArgumentConstructorStub code)"
-  };
+  const char* stub_path[] = {"::(GC roots)", "::(Strong roots)", "code_stubs::",
+                             "::(CEntryStub code)"};
   const v8::HeapGraphNode* node = GetNodeByPath(snapshot,
       stub_path, arraysize(stub_path));
   CHECK(node);
 
   const char* builtin_path1[] = {"::(GC roots)", "::(Builtins)",
                                  "::(KeyedLoadIC_Megamorphic builtin)"};
   node = GetNodeByPath(snapshot, builtin_path1, arraysize(builtin_path1));
   CHECK(node);
 
   const char* builtin_path2[] = {"::(GC roots)", "::(Builtins)",
@@ skipping 431 matching lines @@
   map.AddRange(ToAddress(0x180), 0x80, 6U);
   map.AddRange(ToAddress(0x180), 0x80, 7U);
   CHECK_EQ(7u, map.GetTraceNodeId(ToAddress(0x180)));
   CHECK_EQ(5u, map.GetTraceNodeId(ToAddress(0x200)));
   CHECK_EQ(3u, map.size());
 
   map.Clear();
   CHECK_EQ(0u, map.size());
   CHECK_EQ(0u, map.GetTraceNodeId(ToAddress(0x400)));
 }