func test(name string, i I) {
	m := i.M()
	if m != 12345 {
		println(name, m)
		bad = true
	}
}

func ptrs() {
	var bigptr BigPtr = BigPtr{ 10000, 2000, 300, 45 }
	var smallptr SmallPtr = SmallPtr{ 12345 }
	var intptr IntPtr = 12345

//	test("bigptr", bigptr)
	test("&bigptr", &bigptr)
//	test("smallptr", smallptr)
	test("&smallptr", &smallptr)
//	test("intptr", intptr)
	test("&intptr", &intptr)
}

Ian Lance Taylor <******@****.***> 1681508172 -0700

Dmitri Shuralyov <******@****.***> 1697569678 -0400

Clément Chigot <******@****.***> 1544435619 +0100

Clément Chigot <******@****.***> 1544435619 +0100

	sinkptr = q
	<-throttle
	sinkptr = p
}

var sinkptr *byte

func main() {
	const N = 1000
	for i := 0; i < N; i++ {
		throttle <- struct{}{}
		go noPointerArgs(nil, nil, badPtr, badPtr, badPtr, badPtr, badPtr, badPtr, badPtr)
		sink = make([]byte, 4096)
	}

	g(badPtr, badPtr, badPtr, badPtr)

	// Then call a function which returns a pointer.
	// That return slot starts out holding a bad pointer.
	return d(io.EOF)
}

//go:noinline
func g(x, y, z, w uintptr) {
}

type T struct {
}

func (t *T) Foo(e error) error {
	runtime.GC()
	return e
}

func main() {
	// Functions

Text.

  1. One
  999999999999999999999. Big
  1000000000000000000000. Bigger
  1000000000000000000001. Biggest

-- gofmt --
Text.

 1. One
 999999999999999999999. Big
 1000000000000000000000. Bigger
 1000000000000000000001. Biggest

-- text --
Text.

 1. One
 999999999999999999999. Big
 1000000000000000000000. Bigger
 1000000000000000000001. Biggest

-- markdown --
Text.

 1. One

func noPointerArgs(a, b, c, d uintptr) {
	sink = make([]byte, 4096)
	<-throttle
}

func main() {
	const N = 1000
	for i := 0; i < N; i++ {
		throttle <- struct{}{}
		go noPointerArgs(badPtr, badPtr, badPtr, badPtr)
		sink = make([]byte, 4096)
	}

package main

import (
	"reflect"
	"runtime"
	"unsafe"
)

var badPtr uintptr

var sink []byte

func init() {
	// Allocate large enough to use largeAlloc.
	b := make([]byte, 1<<16-1)
	sink = b // force heap allocation
	//  Any space between the object and the end of page is invalid to point to.
	badPtr = uintptr(unsafe.Pointer(&b[len(b)-1])) + 1
}

type ft func() *int

var fn ft