[js] Avoid %_ClassOf for collection builtins.

src/js/macros.py

 # Copyright 2006-2009 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 29 matching lines @@
 define kMaxUint32 = 4294967295;
 
 # Type query macros.
 #
 # Note: We have special support for typeof(foo) === 'bar' in the compiler.
 #       It will *not* generate a runtime typeof call for the most important
 #       values of 'bar'.
 macro IS_ARRAY(arg)             = (%_IsArray(arg));
 macro IS_ARRAYBUFFER(arg)       = (%_ClassOf(arg) === 'ArrayBuffer');
 macro IS_BOOLEAN(arg)           = (typeof(arg) === 'boolean');
-macro IS_DATAVIEW(arg)          = (%_ClassOf(arg) === 'DataView');
 macro IS_DATE(arg)              = (%IsDate(arg));
 macro IS_ERROR(arg)             = (%_ClassOf(arg) === 'Error');
 macro IS_FUNCTION(arg)          = (%IsFunction(arg));
 macro IS_GENERATOR(arg)         = (%_ClassOf(arg) === 'Generator');
 macro IS_GLOBAL(arg)            = (%_ClassOf(arg) === 'global');
-macro IS_MAP(arg)               = (%_ClassOf(arg) === 'Map');
-macro IS_MAP_ITERATOR(arg)      = (%_ClassOf(arg) === 'Map Iterator');
+macro IS_MAP(arg)               = (%_IsJSMap(arg));
+macro IS_MAP_ITERATOR(arg)      = (%_IsJSMapIterator(arg));
 macro IS_NULL(arg)              = (arg === null);
 macro IS_NULL_OR_UNDEFINED(arg) = (arg == null);
 macro IS_NUMBER(arg)            = (typeof(arg) === 'number');
 macro IS_OBJECT(arg)            = (typeof(arg) === 'object');
 macro IS_PROXY(arg)             = (%_IsJSProxy(arg));
 macro IS_SCRIPT(arg)            = (%_ClassOf(arg) === 'Script');
-macro IS_SET(arg)               = (%_ClassOf(arg) === 'Set');
-macro IS_SET_ITERATOR(arg)      = (%_ClassOf(arg) === 'Set Iterator');
+macro IS_SET(arg)               = (%_IsJSSet(arg));
+macro IS_SET_ITERATOR(arg)      = (%_IsJSSetIterator(arg));
 macro IS_SHAREDARRAYBUFFER(arg) = (%_ClassOf(arg) === 'SharedArrayBuffer');
 macro IS_STRING(arg)            = (typeof(arg) === 'string');
 macro IS_SYMBOL(arg)            = (typeof(arg) === 'symbol');
 macro IS_TYPEDARRAY(arg)        = (%_IsTypedArray(arg));
 macro IS_UNDEFINED(arg)         = (arg === (void 0));
-macro IS_WEAKMAP(arg)           = (%_ClassOf(arg) === 'WeakMap');
-macro IS_WEAKSET(arg)           = (%_ClassOf(arg) === 'WeakSet');
+macro IS_WEAKMAP(arg)           = (%_IsJSWeakMap(arg));
+macro IS_WEAKSET(arg)           = (%_IsJSWeakSet(arg));
 
 # Macro for ES queries of the type: "Type(O) is Object."
 macro IS_RECEIVER(arg) = (%_IsJSReceiver(arg));
 
 # Macro for ES queries of the type: "IsCallable(O)"
 macro IS_CALLABLE(arg) = (typeof(arg) === 'function');
 
 # Macro for ES6 CheckObjectCoercible
 # Will throw a TypeError of the form "[functionName] called on null or undefined".
 macro CHECK_OBJECT_COERCIBLE(arg, functionName) = if (IS_NULL(%IS_VAR(arg)) || IS_UNDEFINED(arg)) throw %make_type_error(kCalledOnNullOrUndefined, functionName);
@@ skipping 105 matching lines @@
 define kSloppyModeBlockScopedFunctionRedefinition = 22;
 define kForInInitializer = 23;
 define kArrayProtectorDirtied = 24;
 define kArraySpeciesModified = 25;
 define kArrayPrototypeConstructorModified = 26;
 define kArrayInstanceProtoModified = 27;
 define kArrayInstanceConstructorModified = 28;
 define kLegacyFunctionDeclaration = 29;
 define kRegExpPrototypeSourceGetter = 30;
 define kRegExpPrototypeOldFlagGetter = 31;