MisplacedTypeParam

	// InvalidUnsafeSliceData occurs when unsafe.SliceData is called with
	// an argument that is not of slice type. It also occurs if it is used
	// in a package compiled for a language version before go1.20.
	//
	// Example:
	//  import "unsafe"
	//
	//  var x int
	//  var _ = unsafe.SliceData(x)
	InvalidUnsafeSliceData

	)
	return errnoErr(errno)
}

func Fsync(fd int) error {
	errno := fd_sync(int32(fd))
	return errnoErr(errno)
}

func bytesPointer(b []byte) unsafe.Pointer {
	return unsafe.Pointer(unsafe.SliceData(b))
}

func stringPointer(s string) unsafe.Pointer {
	return unsafe.Pointer(unsafe.StringData(s))
}

func makeIOVec(b []byte) unsafe.Pointer {
	return unsafe.Pointer(&iovec{

	OSELECT:           "select",
	OSEND:             "<-",
	OSUB:              "-",
	OSWITCH:           "switch",
	OUNSAFEADD:        "unsafe.Add",
	OUNSAFESLICE:      "unsafe.Slice",
	OUNSAFESLICEDATA:  "unsafe.SliceData",
	OUNSAFESTRING:     "unsafe.String",
	OUNSAFESTRINGDATA: "unsafe.StringData",
	OXOR:              "^",
}

// GoString returns the Go syntax for the Op, or else its name.
func (o Op) GoString() string {

	for i := range ret {
		ret[i] = build.Directive{Text: r.string(), Pos: r.tokpos()}
	}
	return ret
}

func asString(b []byte) string {
	return unsafe.String(unsafe.SliceData(b), len(b))
}

// A decoder helps decode the index format.
type decoder struct {
	data []byte // data after header
	str  []byte // string table
}

		}

		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.

<p>
The following built-in functions are not permitted in statement context:
</p>

<pre>
append cap complex imag len make new real
unsafe.Add unsafe.Alignof unsafe.Offsetof unsafe.Sizeof unsafe.Slice unsafe.SliceData unsafe.String unsafe.StringData
</pre>

<pre>
h(x+y)
f.Close()
&lt;-ch
(&lt;-ch)
len("foo")  // illegal if len is the built-in function
</pre>

// it references will not be garbage collected, so programs must keep
// a separate, correctly typed pointer to the underlying data.
//
// Deprecated: Use unsafe.Slice or unsafe.SliceData instead.
type SliceHeader struct {
	Data uintptr
	Len  int
	Cap  int
}

func typesMustMatch(what string, t1, t2 Type) {
	if t1 != t2 {

		{"unsafe.Pointer", ValueOf(unsafePtr), unsafePtr},
		{"function", ValueOf(fn), **(**unsafe.Pointer)(unsafe.Pointer(&fn))},
		{"slice", ValueOf(slice), unsafe.Pointer(unsafe.SliceData(slice))},
		{"string", ValueOf(s), unsafe.Pointer(unsafe.StringData(s))},
	}

	for _, tc := range tests {
		tc := tc
		t.Run(tc.name, func(t *testing.T) {