deps: update V8 to 7.3.492.25

PR-URL: https://github.com/nodejs/node/pull/25852
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/deps/v8/test/mjsunit/compiler/instance-of-overridden-has-instance.js b/deps/v8/test/mjsunit/compiler/instance-of-overridden-has-instance.js
new file mode 100644
index 0000000000..49c8899e69
--- /dev/null
+++ b/deps/v8/test/mjsunit/compiler/instance-of-overridden-has-instance.js
@@ -0,0 +1,106 @@
+// 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 NonConstHasInstance() {
+  var C = {
+    [Symbol.hasInstance] : () => true
+  };
+
+  function f() {
+    return {} instanceof C;
+  }
+
+  assertTrue(f());
+  assertTrue(f());
+  %OptimizeFunctionOnNextCall(f);
+  assertTrue(f());
+  C[Symbol.hasInstance] = () => false;
+  assertFalse(f());
+})();
+
+(function NumberHasInstance() {
+  var C = {
+    [Symbol.hasInstance] : 0.1
+  };
+
+  function f(b, C) {
+    if (b) return {} instanceof C;
+    return false;
+  }
+
+  function g(b) {
+    return f(b, C);
+  }
+
+  assertFalse(f(true, Number));
+  assertFalse(f(true, Number));
+  assertFalse(g(false));
+  assertFalse(g(false));
+  %OptimizeFunctionOnNextCall(g);
+  assertThrows(() => g(true));
+})();
+
+(function NonFunctionHasInstance() {
+  var C = {
+    [Symbol.hasInstance] : {}
+  };
+
+  function f(b, C) {
+    if (b) return {} instanceof C;
+    return false;
+  }
+
+  function g(b) {
+    return f(b, C);
+  }
+
+  assertFalse(f(true, Number));
+  assertFalse(f(true, Number));
+  assertFalse(g(false));
+  assertFalse(g(false));
+  %OptimizeFunctionOnNextCall(g);
+  assertThrows(() => g(true));
+})();
+
+(function NonConstHasInstanceProto() {
+  var B = {
+    [Symbol.hasInstance]() { return true; }
+  };
+
+  var C = { __proto__ : B };
+
+  function f() {
+    return {} instanceof C;
+  }
+
+  assertTrue(f());
+  assertTrue(f());
+  %OptimizeFunctionOnNextCall(f);
+  assertTrue(f());
+  B[Symbol.hasInstance] = () => { return false; };
+  assertFalse(f());
+})();
+
+(function HasInstanceOverwriteOnProto() {
+  var A = {
+    [Symbol.hasInstance] : () => false
+  }
+
+  var B = { __proto__ : A };
+
+  var C = { __proto__ : B };
+
+  function f() {
+    return {} instanceof C;
+  }
+
+  assertFalse(f());
+  assertFalse(f());
+  %OptimizeFunctionOnNextCall(f);
+  assertFalse(f());
+  B[Symbol.hasInstance] = () => { return true; };
+  assertTrue(f());
+})();