4.27 Problems in this exercise refer to the following sequence of instructions, and assume that it is executed on a five-stage pipelined datapath: ADD X5, X2, X1 LDUR X3, [X5, #41 LDUR X2, [X2, #0] ORR X3, X5, X3 STUR X3, [X5, #0] 4.27.1 [5] If the processor has forwarding, but we forgot to implement the hazard detection unit, what happens when the original code executes