Upload Kmake

deps/v8/test/mjsunit/regexp-no-linear-flag.js

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+// Copyright 2020 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.
+
+// Flags: --allow-natives-syntax
+// Flags: --no-enable-experimental-regexp-engine
+
+// We shouldn't recognize the 'l' flag.
+assertThrows(() => new RegExp("asdf", "l"), SyntaxError)
+assertThrows(() => new RegExp("123|xyz", "l"), SyntaxError)
+assertThrows(() => new RegExp("((a*)*)*", "yls"), SyntaxError)
+assertThrows(() => new RegExp("((a*)*)*\1", "l"), SyntaxError)
+
+// RegExps shouldn't have a 'linear' property.
+assertFalse(RegExp.prototype.hasOwnProperty('linear'));
+assertFalse(/123/.hasOwnProperty('linear'));
+
+// Redefined .linear shouldn't reflect in flags without
+// --enable-experimental-regexp-engine.
+{
+  let re = /./;
+  Object.defineProperty(re, "linear", { get: function() { return true; } });
+  assertEquals("", re.flags);
+}