michael@0: // |jit-test| error: TypeError 
michael@0: // don't assert
michael@0: 
michael@0: print(this.watch("x",
michael@0: function() {
michael@0:   Object.defineProperty(this, "x", ({
michael@0:     get: (Int8Array)
michael@0:   }))
michael@0: }))(x = /x/)