var x21 *int
var y21 struct {
	x *int
}
var z21 int

// f21x: Global -> heap pointer updates must have write barriers.
func f21a(x *int) {
	x21 = x   // ERROR "write barrier"
	y21.x = x // ERROR "write barrier"
}

func f21b(x *int) {
	x21 = &z21   // ERROR "write barrier"
	y21.x = &z21 // ERROR "write barrier"
}

func f21c(x *int) {
	y21 = struct{ x *int }{x} // ERROR "write barrier"
}

lt:before{content:"\f3ed"}.fa-ship:before{content:"\f21a"}.fa-shirtsinbulk:before{content:"\f214"}.fa-shopping-bag:before{content:"\f290"}.fa-shopping-basket:before{content:"\f291"}.fa-shopping-cart:before{content:"\f07a"}.fa-shower:before{content:"\f2cc"}.fa-sign-in-alt:before{content:"\f2f6"}.fa-sign-language:before{content:"\f2a7"}.fa-sign-out-alt:before{content:"\f2f5"}.fa-signal:before{content:"\f012"}.fa-simplybuilt:before{content:"\f215"}.fa-sistrix:before{content:"\f3ee"}.fa-sitemap:befo...

		}
	}
}

func BenchmarkDecodeFileInfoMsgp(b *testing.B) {

	MOVD F11, 304(R3)
	MOVD F12, 312(R3)
	MOVD F13, 320(R3)
	MOVD F14, 328(R3)
	MOVD F15, 336(R3)
	MOVD F16, 344(R3)
	MOVD F17, 352(R3)
	MOVD F18, 360(R3)
	MOVD F19, 368(R3)
	MOVD F20, 376(R3)
	MOVD F21, 384(R3)
	MOVD F22, 392(R3)
	MOVD F23, 400(R3)
	MOVD F24, 408(R3)
	MOVD F25, 416(R3)
	MOVD F26, 424(R3)
	MOVD F27, 432(R3)
	MOVD F28, 440(R3)
	MOVD F29, 448(R3)
	MOVD F30, 456(R3)
	MOVD F31, 464(R3)

	{"V28", "V28"},
	{"V29", "V29"},
	{"V30", "V30"},
	{"V31", "V31"},
	{"F14", "F14"},
	{"F15", "F15"},
	{"F16", "F16"},
	{"F17", "F17"},
	{"F18", "F18"},
	{"F19", "F19"},
	{"F20", "F20"},
	{"F21", "F21"},
	{"F22", "F22"},
	{"F23", "F23"},
	{"F24", "F24"},
	{"F25", "F25"},
	{"F26", "F26"},
	{"F27", "F27"},
	{"F28", "F28"},
	{"F29", "F29"},
	{"F30", "F30"},
	{"F31", "F31"},
	{"LR", "LR"},

type B struct {
	x  int
	px *int
	pb *B
}

func F1(b *B) { // ERROR "mutates param: b derefs=0"
	b.x = 1
}

func F2(b *B) { // ERROR "mutates param: b derefs=1"
	*b.px = 1
}

func F2a(b *B) { // ERROR "mutates param: b derefs=0"
	b.px = nil
}

func F3(b *B) { // ERROR "leaking param: b"
	fmt.Println(b) // ERROR "\.\.\. argument does not escape"
}

	MOVD F11, 296(X2)
	MOVD F12, 304(X2)
	MOVD F13, 312(X2)
	MOVD F14, 320(X2)
	MOVD F15, 328(X2)
	MOVD F16, 336(X2)
	MOVD F17, 344(X2)
	MOVD F18, 352(X2)
	MOVD F19, 360(X2)
	MOVD F20, 368(X2)
	MOVD F21, 376(X2)
	MOVD F22, 384(X2)
	MOVD F23, 392(X2)
	MOVD F24, 400(X2)
	MOVD F25, 408(X2)
	MOVD F26, 416(X2)
	MOVD F27, 424(X2)
	MOVD F28, 432(X2)
	MOVD F29, 440(X2)
	MOVD F30, 448(X2)
	MOVD F31, 456(X2)

	MOVF F11, 160(R29)
	MOVF F12, 164(R29)
	MOVF F13, 168(R29)
	MOVF F14, 172(R29)
	MOVF F15, 176(R29)
	MOVF F16, 180(R29)
	MOVF F17, 184(R29)
	MOVF F18, 188(R29)
	MOVF F19, 192(R29)
	MOVF F20, 196(R29)
	MOVF F21, 200(R29)
	MOVF F22, 204(R29)
	MOVF F23, 208(R29)
	MOVF F24, 212(R29)
	MOVF F25, 216(R29)
	MOVF F26, 220(R29)
	MOVF F27, 224(R29)
	MOVF F28, 228(R29)
	MOVF F29, 232(R29)
	MOVF F30, 236(R29)

// to get a true select; smaller selects compile to optimized helper functions.

var c chan *int
var b bool

// this used to have a spurious "live at entry to f11a: ~r0"
func f11a() *int {
	select { // ERROR "stack object .autotmp_[0-9]+ \[2\]runtime.scase$"
	case <-c:
		return nil
	case <-c:
		return nil
	}
}

func f11b() *int {
	p := new(int)
	if b {

			}
		}
		return true
	})
}

func TestUnresolved(t *testing.T) {
	f, err := ParseFile(token.NewFileSet(), "", `
package p
//
func f1a(int)
func f2a(byte, int, float)
func f3a(a, b int, c float)
func f4a(...complex)
func f5a(a s1a, b ...complex)
//
func f1b(*int)
func f2b([]byte, (int), *float)
func f3b(a, b *int, c []float)