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Unified Diff: test/mjsunit/regress/regress-4971.js

Issue 1960083002: [fullcodegen] Add missing bailout points for super calls. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 7 months ago
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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"));
+})();
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