gc-09.js - mozsearch

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// Bug 717104 - Unreachable debuggee globals should not keep their debuggers

// alive. The loop is to defeat conservative stack scanning; if the same stack

// locations are used each time through the loop, at least three of the

// debuggers should be collected.

for (var i = 0; i < 4; i++) {

    var g = newGlobal({newCompartment: true});

    var dbg = new Debugger(g);

    dbg.onDebuggerStatement = function () { throw "FAIL"; };

    dbg.o = makeFinalizeObserver();

    dbg.loop = g; // make a cycle of strong references with dbg and g

gc();

assertEq(finalizeCount() > 0, true);