unsafePtr := typecheck.Conv(ptr, types.Types[types.TUNSAFEPTR])

	// If checkptr enabled, call runtime.unsafestringcheckptr to check ptr and len.
	// for simplicity, unsafestringcheckptr always uses int64.
	// Type checking guarantees that TIDEAL len are positive and fit in an int.
	if ir.ShouldCheckPtr(ir.CurFunc, 1) {
		fnname := "unsafestringcheckptr"
		fn := typecheck.LookupRuntime(fnname)

func growslice(oldPtr *any, newLen, oldCap, num int, et *byte) (ary []any)
func unsafeslicecheckptr(typ *byte, ptr unsafe.Pointer, len int64)
func panicunsafeslicelen()
func panicunsafeslicenilptr()
func unsafestringcheckptr(ptr unsafe.Pointer, len int64)
func panicunsafestringlen()
func panicunsafestringnilptr()

func memmove(to *any, frm *any, length uintptr)
func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)

	{"makeslicecopy", funcTag, 118},
	{"growslice", funcTag, 120},
	{"unsafeslicecheckptr", funcTag, 121},
	{"panicunsafeslicelen", funcTag, 9},
	{"panicunsafeslicenilptr", funcTag, 9},
	{"unsafestringcheckptr", funcTag, 122},
	{"panicunsafestringlen", funcTag, 9},
	{"panicunsafestringnilptr", funcTag, 9},
	{"memmove", funcTag, 123},
	{"memclrNoHeapPointers", funcTag, 124},
	{"memclrHasPointers", funcTag, 124},