js/src/jit-test/tests/basic/bug504587-1.js

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1 // This test case failed a WIP patch. See https://bugzilla.mozilla.org/show_bug.cgi?id=504587#c68
michael@0 2
michael@0 3 function B() {}
michael@0 4 B.prototype.x = 1;
michael@0 5 var d = new B;
michael@0 6
michael@0 7 var names = ['z', 'z', 'z', 'z', 'z', 'z', 'z', 'x'];
michael@0 8 for (var i = 0; i < names.length; i++) {
michael@0 9 x = d.x; // guard on shapeOf(d)
michael@0 10 d[names[i]] = 2; // unpredicted shape change
michael@0 11 y = d.x; // guard here is elided
michael@0 12 }
michael@0 13 assertEq(y, 2); // Assertion failed: got 1, expected 2

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