Reviewers: Jakob,
Message:
Jakob, thanks for this awesome test case!
Description:
Add regression test for dependency to field type tracked weak map.
[email protected]
BUG=v8:3969
LOG=N
Please review this at https://codereview.chromium.org/1019223002/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+36, -0 lines):
A test/mjsunit/regress/regress-3969.js
Index: test/mjsunit/regress/regress-3969.js
diff --git a/test/mjsunit/regress/regress-3969.js
b/test/mjsunit/regress/regress-3969.js
new file mode 100644
index
0000000000000000000000000000000000000000..4659e1caf8ad9a5e4cc524c86ffaf5a504428d52
--- /dev/null
+++ b/test/mjsunit/regress/regress-3969.js
@@ -0,0 +1,36 @@
+// Copyright 2015 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 Inner() {
+ this.property = "OK";
+ this.o2 = 1;
+}
+
+function Outer(inner) {
+ this.inner = inner;
+}
+
+var inner = new Inner();
+var outer = new Outer(inner);
+
+Outer.prototype.boom = function() {
+ return this.inner.property;
+}
+
+assertEquals("OK", outer.boom());
+assertEquals("OK", outer.boom());
+%OptimizeFunctionOnNextCall(Outer.prototype.boom);
+assertEquals("OK", outer.boom());
+
+inner = undefined;
+%SetAllocationTimeout(0 /*interval*/, 2 /*timeout*/);
+// Call something that will do GC while holding a handle to outer's map.
+// The key is that this lets inner's map die while keeping outer's map
alive.
+delete outer.inner;
+
+outer = new Outer({field: 1.51, property: "OK"});
+
+assertEquals("OK", outer.boom());
--
--
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