checklvalue(n.X, "call pointer method on")
				addr := NodAddr(n.X)
				addr.SetImplicit(true)
				n.X = typecheck(addr, ctxType|ctxExpr)
			} else if tt.IsPtr() && (!rcvr.IsPtr() || rcvr.IsPtr() && rcvr.Elem().NotInHeap()) && types.Identical(tt.Elem(), rcvr) {
				star := ir.NewStarExpr(base.Pos, n.X)
				star.SetImplicit(true)
				n.X = typecheck(star, ctxType|ctxExpr)

var stackpool [_NumStackOrders]struct {
	item stackpoolItem
	_    [(cpu.CacheLinePadSize - unsafe.Sizeof(stackpoolItem{})%cpu.CacheLinePadSize) % cpu.CacheLinePadSize]byte
}

type stackpoolItem struct {
	_    sys.NotInHeap
	mu   mutex
	span mSpanList
}

// Global pool of large stack spans.
var stackLarge struct {
	lock mutex
	free [heapAddrBits - pageShift]mSpanList // free lists by log_2(s.npages)
}

// moduledata is stored in statically allocated non-pointer memory;
// none of the pointers here are visible to the garbage collector.
type moduledata struct {
	sys.NotInHeap // Only in static data

	pcHeader     *pcHeader
	funcnametab  []byte
	cutab        []uint32
	filetab      []byte
	pctab        []byte
	pclntable    []byte
	ftab         []functab

				// forbidden! That makes the test pretty easy.
				// See issue 48399.
				if !verifyNotInHeapPtr(*(*uintptr)(ptr)) {
					panic("reflect: reflect.Value.Elem on an invalid notinheap pointer")
				}
			}
			ptr = *(*unsafe.Pointer)(ptr)
		}
		// The returned value's address is v's value.
		if ptr == nil {
			return Value{}
		}
		tt := (*ptrType)(unsafe.Pointer(v.typ()))

// See https://golang.org/s/go12symtab.
// Keep in sync with linker (../cmd/link/internal/ld/pcln.go:/pclntab)
// and with package debug/gosym and with symtab.go in package runtime.
type _func struct {
	sys.NotInHeap // Only in static data

	entryOff uint32 // start pc, as offset from moduledata.text/pcHeader.textStart
	nameOff  int32  // function name, as index into moduledata.funcnametab.

	args        int32  // in/out args size

//
// None of the fields in this bucket header are modified after
// creation, including its next and allnext links.
//
// No heap pointers.
type bucket struct {
	_       sys.NotInHeap
	next    *bucket
	allnext *bucket
	typ     bucketType // memBucket or blockBucket (includes mutexProfile)
	hash    uintptr
	size    uintptr
	nstk    uintptr
}

	"fixedbugs/issue20245.go", // types2 reports two instead of one error (preference: 1.17 compiler)
	"fixedbugs/issue31053.go", // types2 reports "unknown field" instead of "cannot refer to unexported field"
	"fixedbugs/notinheap.go",  // types2 doesn't report errors about conversions that are invalid due to //go:notinheap
)

var types2Failures32Bit = setOf(
	"printbig.go",             // large untyped int passed to print (32-bit)

//
//go:nosplit
func heapBitsSlice(spanBase, spanSize uintptr) []uintptr {
	bitmapSize := spanSize / goarch.PtrSize / 8
	elems := int(bitmapSize / goarch.PtrSize)
	var sl notInHeapSlice
	sl = notInHeapSlice{(*notInHeap)(unsafe.Pointer(spanBase + spanSize - bitmapSize)), elems, elems}
	return *(*[]uintptr)(unsafe.Pointer(&sl))
}

// heapBitsSmallForAddr loads the heap bits for the object stored at addr from span.heapBits.
//

	switch {
	case t.IsBoolean() || t.IsInteger() || t.IsFloat() || t.IsComplex():
		s.store(t, left, right)
	case t.IsPtrShaped():
		if t.IsPtr() && t.Elem().NotInHeap() {
			s.store(t, left, right) // see issue 42032
		}
		// otherwise, no scalar fields.
	case t.IsString():
		if skip&skipLen != 0 {
			return
		}