LayoutTests/js/script-tests/reentrant-call-unwind.js

description(
"This test checks that unwinding of exceptions properly copies registers of activation frames created by reentrant calls to JavaScript."
);

var f;

try {
    (function() {
        var j = 0;
        f = function() { return j; };
        throw new Object();
    }).apply();
} catch (e) {
    (function() {
        shouldBe("f()", "0");
    }).apply();
}