Bug 208259

Not sure what to do, maybe emit a nop sled, or maybe emit out of line jump, but it's silly what we do on arm64: prologue: 0xfaec70010: stur x19, [fp, #-144] 0xfaec70014: stur x20, [fp, #-136] 0xfaec70018: stur x21, [fp, #-128] 0xfaec7001c: stur x22, [fp, #-120] 0xfaec70020: stur x23, [fp, #-112] 0xfaec70024: stur x24, [fp, #-104] 0xfaec70028: stur x25, [fp, #-96] 0xfaec7002c: stur x26, [fp, #-88] 0xfaec70030: stur x27, [fp, #-80] 0xfaec70034: stur x28, [fp, #-72] 0xfaec70038: stur d8, [fp, #-64] 0xfaec7003c: stur d9, [fp, #-56] 0xfaec70040: stur d10, [fp, #-48] 0xfaec70044: stur d11, [fp, #-40] 0xfaec70048: stur d12, [fp, #-32] 0xfaec7004c: stur d13, [fp, #-24] 0xfaec70050: stur d14, [fp, #-16] 0xfaec70054: stur d15, [fp, #-8] epilogue: 0xfaec70060: ldur x19, [fp, #-144] 0xfaec70064: ldur x20, [fp, #-136] 0xfaec70068: ldur x21, [fp, #-128] 0xfaec7006c: ldur x22, [fp, #-120] 0xfaec70070: ldur x23, [fp, #-112] 0xfaec70074: ldur x24, [fp, #-104] 0xfaec70078: ldur x25, [fp, #-96] 0xfaec7007c: ldur x26, [fp, #-88] 0xfaec70080: ldur x27, [fp, #-80] 0xfaec70084: ldur x28, [fp, #-72] 0xfaec70088: ldur d8, [fp, #-64] 0xfaec7008c: ldur d9, [fp, #-56] 0xfaec70090: ldur d10, [fp, #-48] 0xfaec70094: ldur d11, [fp, #-40] 0xfaec70098: ldur d12, [fp, #-32] 0xfaec7009c: ldur d13, [fp, #-24] 0xfaec700a0: ldur d14, [fp, #-16] 0xfaec700a4: ldur d15, [fp, #-8]