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// Constructing calls must throw if !callee->isInterpretedConstructor(). [0].some(Function.prototype) function f() { new Function.prototype } function g() { var count = 0; for (var i=0; i<3; i++) { try { f(); } catch (e) { assertEq(e.message.includes("is not a constructor"), true); count++; } } assertEq(count, 3); } g();