}
	su.SetUint32(target.Arch, offset, newinsn)
}

// Rewrite the instruction at offset into a hardware nop instruction. Also, verify the
// existing instruction under mask matches the check value.
func rewritetonop(target *ld.Target, ldr *loader.Loader, su *loader.SymbolBuilder, offset int64, mask, check uint32) {
	rewritetoinsn(target, ldr, su, offset, mask, check, OP_NOP)
}

variables, for the buffer and current size. Each push will be turned into
```mlir
  %old_val = "tf.ReadVariableOp"(%buffer)
  %old_size = "tf.ReadVariableOp"(%size)
  %offsets = "tf.ConcatV2"(%old_size, %other_dims_0s, %const0)
  %new_val = "tf.XlaDynamicUpdateSlice"(%old_val, %push_val, %offsets)
  "tf.AssignVariableOp"(%buffer, %new_val)
  %new_size = "tf.AddV2"(%old_size, %const1)
  "tf.AssignVariableOp"(%size, %new_size)
```

			// as some people do write offsets of 24 hours
			// or 60 minutes or 60 seconds.
			if hr > 24 {
				rangeErrString = "time zone offset hour"
			}
			if mm > 60 {
				rangeErrString = "time zone offset minute"
			}
			if ss > 60 {
				rangeErrString = "time zone offset second"
			}

			zoneOffset = (hr*60+mm)*60 + ss // offset is in seconds
			switch sign[0] {
			case '+':

(MULL(D|W)const <t> x [c]) && isPowerOfTwo32(-c+(-c&^(-c-1)))
  => ((SUB|SUBW) (SL(D|W)const <t> x [uint8(log32(-c&^(-c-1)))])
                 (SL(D|W)const <t> x [uint8(log32(-c+(-c&^(-c-1))))]))

// Fold ADD into MOVDaddr. Odd offsets from SB shouldn't be folded (LARL can't handle them).
(ADDconst [c] (MOVDaddr [d] {s} x:(SB))) && ((c+d)&1 == 0) && is32Bit(int64(c)+int64(d)) => (MOVDaddr [c+d] {s} x)

			}
			b1[j] = 0
			pos = IndexByte(b1, 'x')
			if pos != -1 {
				t.Errorf("IndexByte(%q, 'x') = %v", b1, pos)
			}
		}
	}
}

// test a small index across all page offsets
func TestIndexByteSmall(t *testing.T) {
	b := make([]byte, 5015) // bigger than a page
	// Make sure we find the correct byte even when straddling a page.
	for i := 0; i <= len(b)-15; i++ {
		for j := 0; j < 15; j++ {

	if t.Location() == UTC {
		offsetMin = -1
	} else {
		_, offset := t.Zone()
		if offset%60 != 0 {
			version = timeBinaryVersionV2
			offsetSec = int8(offset % 60)
		}

		offset /= 60
		if offset < -32768 || offset == -1 || offset > 32767 {
			return nil, errors.New("Time.MarshalBinary: unexpected zone offset")
		}
		offsetMin = int16(offset)
	}

	sec := t.sec()
	nsec := t.nsec()

		}
	}
	return changed
}

// varOffset returns the offset of slot within the user variable it was
// decomposed from. This has nothing to do with its stack offset.
func varOffset(slot LocalSlot) int64 {
	offset := slot.Off
	s := &slot
	for ; s.SplitOf != nil; s = s.SplitOf {
		offset += s.SplitOffset
	}
	return offset
}

type partsByVarOffset struct {
	slotIDs []SlotID

//
//go:nowritebarrier
func markrootBlock(b0, n0 uintptr, ptrmask0 *uint8, gcw *gcWork, shard int) int64 {
	if rootBlockBytes%(8*goarch.PtrSize) != 0 {
		// This is necessary to pick byte offsets in ptrmask0.
		throw("rootBlockBytes must be a multiple of 8*ptrSize")
	}

	// Note that if b0 is toward the end of the address space,
	// then b0 + rootBlockBytes might wrap around.

	},
	ErrInvalidCopyPartRange: {
		Code:           "InvalidArgument",
		Description:    "The x-amz-copy-source-range value must be of the form bytes=first-last where first and last are the zero-based offsets of the first and last bytes to copy",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrInvalidCopyPartRangeSource: {
		Code:           "InvalidArgument",

		s.AddUint16(ctxt.Arch, uint16(j))                        // aux count
		s.AddUint32(ctxt.Arch, uint32(dynstr.Addstring(l.file))) // file string offset
		s.AddUint32(ctxt.Arch, 16)                               // offset from header to first aux
		if l.next != nil {
			s.AddUint32(ctxt.Arch, 16+uint32(j)*16) // offset from this header to next
		} else {
			s.AddUint32(ctxt.Arch, 0)
		}

		for x := l.aux; x != nil; x = x.next {