Upload Kmake

deps/v8/test/mjsunit/compiler/regress-799263.js

@@ -0,0 +1,31 @@
+// Copyright 2018 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
+
+function opt(a, b) {
+  b[0] = 0;
+
+  a.length;
+
+  // TransitionElementsKind
+  for (let i = 0; i < 1; i++)
+      a[0] = 0;
+
+  b[0] = 9.431092e-317;
+}
+
+%PrepareFunctionForOptimization(opt);
+
+let arr1 = new Array(1);
+arr1[0] = 'a';
+opt(arr1, [0]);
+
+let arr2 = [0.1];
+opt(arr2, arr2);
+
+%OptimizeFunctionOnNextCall(opt);
+
+opt(arr2, arr2);
+assertEquals(9.431092e-317, arr2[0]);