Index: test/mjsunit/regress/regress-4971.js |
diff --git a/test/mjsunit/regress/regress-4971.js b/test/mjsunit/regress/regress-4971.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..041f6c2a57f06de23ce0945122ae6411c6a25fa1 |
--- /dev/null |
+++ b/test/mjsunit/regress/regress-4971.js |
@@ -0,0 +1,41 @@ |
+// Copyright 2016 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 TestDeoptInNamedSuperGetter() { |
+ class C { m() { return 23 } } |
+ class D extends C { f() { return super.boom() } } |
+ |
+ var should_deoptimize_caller = false; |
+ Object.defineProperty(C.prototype, "boom", { get: function() { |
+ if (should_deoptimize_caller) %DeoptimizeFunction(D.prototype.f); |
+ return this.m |
+ }}) |
+ |
+ assertEquals(23, new D().f()); |
+ assertEquals(23, new D().f()); |
+ %OptimizeFunctionOnNextCall(D.prototype.f); |
+ assertEquals(23, new D().f()); |
+ should_deoptimize_caller = true; |
+ assertEquals(23, new D().f()); |
+})(); |
+ |
+(function TestDeoptInKeyedSuperGetter() { |
+ class C { m() { return 23 } } |
+ class D extends C { f(name) { return super[name]() } } |
+ |
+ var should_deoptimize_caller = false; |
+ Object.defineProperty(C.prototype, "boom", { get: function() { |
+ if (should_deoptimize_caller) %DeoptimizeFunction(D.prototype.f); |
+ return this.m |
+ }}) |
+ |
+ assertEquals(23, new D().f("boom")); |
+ assertEquals(23, new D().f("boom")); |
+ %OptimizeFunctionOnNextCall(D.prototype.f); |
+ assertEquals(23, new D().f("boom")); |
+ should_deoptimize_caller = true; |
+ assertEquals(23, new D().f("boom")); |
+})(); |