override fun read(buf: ByteArray, off: Int, len: Int): Int = inputStream.read(buf, off, len)

    override fun readLine(): String = unsupported("ObjectInputStream.readLine")

    override fun readFully(buf: ByteArray) = unsupported("ObjectInputStream.readFully")

    override fun readFully(buf: ByteArray, off: Int, len: Int) = unsupported("ObjectInputStream.readFully")

		off += 3 * arch.PtrSize
	case abi.Chan: // reflect.chanType
		off += 2 * arch.PtrSize
	case abi.Map: // reflect.mapType
		off += 4*arch.PtrSize + 8
	case abi.Interface: // reflect.interfaceType
		off += 3 * arch.PtrSize
	default:
		// just Sizeof(rtype)
	}

	mcount := int(decodeInuxi(arch, p[off+4:], 2))
	moff := int(decodeInuxi(arch, p[off+4+2+2:], 4))
	off += moff                // offset to array of reflect.method values

            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",

// Common with math Float64bits, Float64frombits
(MOVDload [off] {sym} ptr (FMOVDstore [off] {sym} ptr x _)) => (MFVSRD x)
(FMOVDload [off] {sym} ptr (MOVDstore [off] {sym} ptr x _)) => (MTVSRD x)

(FMOVDstore [off] {sym} ptr (MTVSRD x) mem) => (MOVDstore [off] {sym} ptr x mem)
(MOVDstore [off] {sym} ptr (MFVSRD x) mem) => (FMOVDstore [off] {sym} ptr x mem)

	}
	return true
}

// isFixed32 returns true if the int32 at offset off in symbol sym
// is known and constant.
func isFixed32(c *Config, sym Sym, off int64) bool {
	return isFixed(c, sym, off, 4)
}

// isFixed returns true if the range [off,off+size] of the symbol sym
// is known and constant.
func isFixed(c *Config, sym Sym, off, size int64) bool {
	lsym := sym.(*obj.LSym)
	if lsym.Extra == nil {

			// been woken or grabbed the lock, no need to wake anyone.
			// In starvation mode ownership is directly handed off from unlocking
			// goroutine to the next waiter. We are not part of this chain,
			// since we did not observe mutexStarving when we unlocked the mutex above.
			// So get off the way.
			if old>>mutexWaiterShift == 0 || old&(mutexLocked|mutexWoken|mutexStarving) != 0 {
				return
			}

	off := objw.Uint32(lsym, 0, uint32(nbitmap))
	off = objw.Uint32(lsym, off, uint32(bv.N))
	off = objw.BitVec(lsym, off, bv)

	if fn.Type().NumResults() > 0 {
		for _, p := range abiInfo.OutParams() {
			if len(p.Registers) == 0 {
				typebits.SetNoCheck(p.Type, p.FrameOffset(abiInfo), bv)
			}
		}
		off = objw.BitVec(lsym, off, bv)
	}

        outputStream.write(`val`)
    }

    override fun write(buf: ByteArray) = record {
        outputStream.write(buf)
    }

    override fun write(buf: ByteArray, off: Int, len: Int) = record {
        outputStream.write(buf, off, len)
    }

    override fun writeByte(`val`: Int) = record {
        writeByte(`val`.toByte())
    }

    override fun writeChar(`val`: Int) = record {
        writeInt(`val`)

	// result: (MOVBstore [off] {sym} ptr x mem)
	for {
		off := auxIntToInt32(v.AuxInt)
		sym := auxToSym(v.Aux)
		ptr := v_0
		if v_1.Op != OpPPC64MOVWreg {
			break
		}
		x := v_1.Args[0]
		mem := v_2
		v.reset(OpPPC64MOVBstore)
		v.AuxInt = int32ToAuxInt(off)
		v.Aux = symToAux(sym)
		v.AddArg3(ptr, x, mem)
		return true
	}

stdout 'example.com/b'

# -mod can only be set to readonly in workspace mode
go list -mod=readonly all
! go list -mod=mod all
stderr '^go: -mod may only be set to readonly or vendor when in workspace mode'
env GOWORK=off
go list -mod=mod all
env GOWORK=

# Test that duplicates in the use list return an error
cp go.work go.work.backup
cp go.work.dup go.work
! go run example.com/b