Upload Kmake

deps/v8/test/mjsunit/compiler/regress-1196683.js

@@ -0,0 +1,56 @@
+// Copyright 2021 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() {
+  const arr = new Uint32Array([2**31]);
+  function foo() {
+    return (arr[0] ^ 0) + 1;
+  }
+  %PrepareFunctionForOptimization(foo);
+  assertEquals(-(2**31) + 1, foo());
+  %OptimizeFunctionOnNextCall(foo);
+  assertEquals(-(2**31) + 1, foo());
+})();
+
+
+// The remaining tests already passed without the bugfix.
+
+
+(function() {
+  const arr = new Uint16Array([2**15]);
+  function foo() {
+    return (arr[0] ^ 0) + 1;
+  }
+  %PrepareFunctionForOptimization(foo);
+  assertEquals(2**15 + 1, foo());
+  %OptimizeFunctionOnNextCall(foo);
+  assertEquals(2**15 + 1, foo());
+})();
+
+
+(function() {
+  const arr = new Uint8Array([2**7]);
+  function foo() {
+    return (arr[0] ^ 0) + 1;
+  }
+  %PrepareFunctionForOptimization(foo);
+  assertEquals(2**7 + 1, foo());
+  %OptimizeFunctionOnNextCall(foo);
+  assertEquals(2**7 + 1, foo());
+})();
+
+
+(function() {
+  const arr = new Int32Array([-(2**31)]);
+  function foo() {
+    return (arr[0] >>> 0) + 1;
+  }
+  %PrepareFunctionForOptimization(foo);
+  assertEquals(2**31 + 1, foo());
+  %OptimizeFunctionOnNextCall(foo);
+  assertEquals(2**31 + 1, foo());
+})();