Frame-identity-04.js

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// Test that on-stack Debugger.Frames are not GC'd even if they are only reachable

// from the js::Debugger::frames table.

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

g.eval("function f(n) { if (n) f(n - 1); debugger; }");

var dbg = new Debugger(g);

var hits = 0;

dbg.onDebuggerStatement = function (frame) {

    if (hits === 0) {

        for (; frame; frame = frame.older)

            frame.seen = true;

    } else {

        for (; frame; frame = frame.older)

            assertEq(frame.seen, true);

    gc();

    hits++;

};

g.f(20);

assertEq(hits, 21);