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Unified Diff: test/mjsunit/regress/regress-crbug-658691.js

Issue 2447383002: [turbofan] Disable bogus lowering of builtin tail-calls. (Closed)
Patch Set: Created 4 years, 2 months ago
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Index: test/mjsunit/regress/regress-crbug-658691.js
diff --git a/test/mjsunit/regress/regress-crbug-658691.js b/test/mjsunit/regress/regress-crbug-658691.js
new file mode 100644
index 0000000000000000000000000000000000000000..fee95f1eb33e36e56b1787c7f1a5ba3fb388c284
--- /dev/null
+++ b/test/mjsunit/regress/regress-crbug-658691.js
@@ -0,0 +1,24 @@
+// 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 --harmony-tailcalls --ignition --turbo
+
+// The {f} function is compiled using TurboFan.
+// 1) The call to {Reflect.set} has no arguments adaptation.
+// 2) The call to {Reflect.set} is in tail position.
+function f(a, b, c) {
+ "use strict";
+ return Reflect.set({});
+}
+
+// The {g} function is compiled using Ignition.
+// 1) The call to {f} requires arguments adaptation.
+// 2) The call to {f} is not in tail position.
+function g() {
+ return f() + "-no-tail";
+}
+
+assertEquals("true-no-tail", g());
+%OptimizeFunctionOnNextCall(f);
+assertEquals("true-no-tail", g());
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