Upload Kmake

deps/v8/test/mjsunit/regress/regress-747825.js

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+// Copyright 2017 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
+
+var g = 0;
+g = function() {}
+
+function f() {
+  var r = /[abc]/i;  // Optimized out.
+  g(r);
+}
+
+%PrepareFunctionForOptimization(f);
+f(); f(); %OptimizeFunctionOnNextCall(f);  // Warm-up.
+
+var re;
+g = function(r) { re = r; }
+f();  // Lazy deopt is forced here.
+
+assertNotEquals(undefined, re);
+assertEquals("[abc]", re.source);
+assertEquals("i", re.flags);
+assertEquals(0, re.lastIndex);
+assertArrayEquals(["a"], re.exec("a"));
+assertArrayEquals(["A"], re.exec("A"));
+assertNull(re.exec("d"));