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// Test that Debugger.Frame.prototype.environment works at all pcs of a script
// with an aliased block scope.
var g = newGlobal({newCompartment: true});
var dbg = new Debugger(g);
dbg.onDebuggerStatement = function (frame) {
frame.onStep = (function () { frame.environment; });
};
g.eval("debugger; for (let i of [1,2,3]) print(i);");