}

		if input != nil && clone == nil {
			t.Errorf("Clone(%#v) return value should not be equal to nil slice.", input)
		}

		if cap(input) != 0 && unsafe.SliceData(input) == unsafe.SliceData(clone) {
			t.Errorf("Clone(%q) return value should not reference inputs backing memory.", input)
		}
	}

			// (total of 6) and overestimate by 2 bytes for the pair,
			// since the resulting rune only requires 4 bytes.
			maxLen += 3
		}
	}
	buf := decodeWTF16(s, make([]byte, 0, maxLen))
	return unsafe.String(unsafe.SliceData(buf), len(buf))
}

// utf16PtrToString is like UTF16ToString, but takes *uint16
// as a parameter instead of []uint16.
func utf16PtrToString(p *uint16) string {
	if p == nil {
		return ""
	}

		*ast.MapType, *ast.ChanType:

		return true
	}
	return false
}

// isUnsafeData reports whether the expression is unsafe.StringData
// or unsafe.SliceData. We can ignore these when checking for pointers
// because they don't change whether or not their argument contains
// any Go pointers. If onlyStringData is true we only check for StringData.