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1 // Bug 717104 - Unreachable debuggee globals should not keep their debuggers |
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2 // alive. The loop is to defeat conservative stack scanning; if the same stack |
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3 // locations are used each time through the loop, at least three of the |
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4 // debuggers should be collected. |
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5 |
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6 for (var i = 0; i < 4; i++) { |
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7 var g = newGlobal(); |
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8 var dbg = new Debugger(g); |
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9 dbg.onDebuggerStatement = function () { throw "FAIL"; }; |
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10 dbg.o = makeFinalizeObserver(); |
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11 dbg.loop = g; // make a cycle of strong references with dbg and g |
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12 } |
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13 |
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14 gc(); |
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15 assertEq(finalizeCount() > 0, true); |