incremental-01.js - mozsearch

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var objs;

function init()

    objs = new Object();

    var x = new Object();

    objs.root1 = x;

    objs.root2 = new Object();

    x.ptr = new Object();

    x = null;

/*

     * Clears out the arena lists. Otherwise all the objects above

     * would be considered to be created during the incremental GC.

*/

    gc();

/*

 * Use eval here so that the interpreter frames end up higher on the

 * stack, which avoids them being seen later on by the conservative

 * scanner.

*/

eval("init()");

gcslice(0); // Start IGC, but don't mark anything.

selectforgc(objs.root2);

gcslice(1);

objs.root2.ptr = objs.root1.ptr;

objs.root1.ptr = null;

gcslice();