test: make SSA tests unconditional

Delete legacy backend tests, make SSA tests unconditional.

Next CL will remove _ssa from the file names.

Update #16357

Change-Id: I2a7f5dcbc69455f63b5e6e6b2725df26ab86c8dd
Reviewed-on: https://go-review.googlesource.com/29231
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

1 files changed, 0 insertions, 656 deletions

diff --git a/test/live.go b/test/live.go
deleted file mode 100644
index 6742e589e1..0000000000
--- a/test/live.go
+++ /dev/null
@@ -1,656 +0,0 @@
-// +build !amd64,!arm,!amd64p32,!386,!arm64,!ppc64le,!mips64,!mips64le,!s390x
-// errorcheck -0 -l -live -wb=0
-
-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// liveness tests with inlining disabled.
-// see also live2.go.
-
-package main
-
-func printnl()
-
-//go:noescape
-func printpointer(**int)
-
-//go:noescape
-func printintpointer(*int)
-
-//go:noescape
-func printstringpointer(*string)
-
-//go:noescape
-func printstring(string)
-
-//go:noescape
-func printbytepointer(*byte)
-
-func printint(int)
-
-func f1() {
-	var x *int
-	printpointer(&x) // ERROR "live at call to printpointer: x$"
-	printpointer(&x) // ERROR "live at call to printpointer: x$"
-}
-
-func f2(b bool) {
-	if b {
-		printint(0) // nothing live here
-		return
-	}
-	var x *int
-	printpointer(&x) // ERROR "live at call to printpointer: x$"
-	printpointer(&x) // ERROR "live at call to printpointer: x$"
-}
-
-func f3(b bool) {
-	// Because x and y are ambiguously live, they appear
-	// live throughout the function, to avoid being poisoned
-	// in GODEBUG=gcdead=1 mode.
-
-	printint(0) // ERROR "live at call to printint: x y$"
-	if b == false {
-		printint(0) // ERROR "live at call to printint: x y$"
-		return
-	}
-
-	if b {
-		var x *int
-		printpointer(&x) // ERROR "live at call to printpointer: x y$"
-		printpointer(&x) // ERROR "live at call to printpointer: x y$"
-	} else {
-		var y *int
-		printpointer(&y) // ERROR "live at call to printpointer: x y$"
-		printpointer(&y) // ERROR "live at call to printpointer: x y$"
-	}
-	printint(0) // ERROR "f3: x \(type \*int\) is ambiguously live$" "f3: y \(type \*int\) is ambiguously live$" "live at call to printint: x y$"
-}
-
-// The old algorithm treated x as live on all code that
-// could flow to a return statement, so it included the
-// function entry and code above the declaration of x
-// but would not include an indirect use of x in an infinite loop.
-// Check that these cases are handled correctly.
-
-func f4(b1, b2 bool) { // x not live here
-	if b2 {
-		printint(0) // x not live here
-		return
-	}
-	var z **int
-	x := new(int)
-	*x = 42
-	z = &x
-	printint(**z) // ERROR "live at call to printint: x z$"
-	if b2 {
-		printint(1) // ERROR "live at call to printint: x$"
-		return
-	}
-	for {
-		printint(**z) // ERROR "live at call to printint: x z$"
-	}
-}
-
-func f5(b1 bool) {
-	var z **int
-	if b1 {
-		x := new(int)
-		*x = 42
-		z = &x
-	} else {
-		y := new(int)
-		*y = 54
-		z = &y
-	}
-	printint(**z) // ERROR "f5: x \(type \*int\) is ambiguously live$" "f5: y \(type \*int\) is ambiguously live$" "live at call to printint: x y$"
-}
-
-// confusion about the _ result used to cause spurious "live at entry to f6: _".
-
-func f6() (_, y string) {
-	y = "hello"
-	return
-}
-
-// confusion about addressed results used to cause "live at entry to f7: x".
-
-func f7() (x string) {
-	_ = &x
-	x = "hello"
-	return
-}
-
-// ignoring block returns used to cause "live at entry to f8: x, y".
-
-func f8() (x, y string) {
-	return g8()
-}
-
-func g8() (string, string)
-
-// ignoring block assignments used to cause "live at entry to f9: x"
-// issue 7205
-
-var i9 interface{}
-
-func f9() bool {
-	g8()
-	x := i9
-	return x != interface{}(99.0i) // ERROR "live at call to convT2E: x$"
-}
-
-// liveness formerly confused by UNDEF followed by RET,
-// leading to "live at entry to f10: ~r1" (unnamed result).
-
-func f10() string {
-	panic(1)
-}
-
-// liveness formerly confused by select, thinking runtime.selectgo
-// can return to next instruction; it always jumps elsewhere.
-// note that you have to use at least two cases in the select
-// to get a true select; smaller selects compile to optimized helper functions.
-
-var c chan *int
-var b bool
-
-// this used to have a spurious "live at entry to f11a: ~r0"
-func f11a() *int {
-	select { // ERROR "live at call to newselect: autotmp_[0-9]+$" "live at call to selectgo: autotmp_[0-9]+$"
-	case <-c: // ERROR "live at call to selectrecv: autotmp_[0-9]+$"
-		return nil
-	case <-c: // ERROR "live at call to selectrecv: autotmp_[0-9]+$"
-		return nil
-	}
-}
-
-func f11b() *int {
-	p := new(int)
-	if b {
-		// At this point p is dead: the code here cannot
-		// get to the bottom of the function.
-		// This used to have a spurious "live at call to printint: p".
-		printint(1) // nothing live here!
-		select {    // ERROR "live at call to newselect: autotmp_[0-9]+$" "live at call to selectgo: autotmp_[0-9]+$"
-		case <-c: // ERROR "live at call to selectrecv: autotmp_[0-9]+$"
-			return nil
-		case <-c: // ERROR "live at call to selectrecv: autotmp_[0-9]+$"
-			return nil
-		}
-	}
-	println(*p)
-	return nil
-}
-
-func f11c() *int {
-	p := new(int)
-	if b {
-		// Unlike previous, the cases in this select fall through,
-		// so we can get to the println, so p is not dead.
-		printint(1) // ERROR "live at call to printint: p$"
-		select {    // ERROR "live at call to newselect: autotmp_[0-9]+ p$" "live at call to selectgo: autotmp_[0-9]+ p$"
-		case <-c: // ERROR "live at call to selectrecv: autotmp_[0-9]+ p$"
-		case <-c: // ERROR "live at call to selectrecv: autotmp_[0-9]+ p$"
-		}
-	}
-	println(*p)
-	return nil
-}
-
-// similarly, select{} does not fall through.
-// this used to have a spurious "live at entry to f12: ~r0".
-
-func f12() *int {
-	if b {
-		select {}
-	} else {
-		return nil
-	}
-}
-
-// incorrectly placed VARDEF annotations can cause missing liveness annotations.
-// this used to be missing the fact that s is live during the call to g13 (because it is
-// needed for the call to h13).
-
-func f13() {
-	s := "hello"
-	s = h13(s, g13(s)) // ERROR "live at call to g13: s$"
-}
-
-func g13(string) string
-func h13(string, string) string
-
-// more incorrectly placed VARDEF.
-
-func f14() {
-	x := g14()
-	printstringpointer(&x) // ERROR "live at call to printstringpointer: x$"
-}
-
-func g14() string
-
-func f15() {
-	var x string
-	_ = &x
-	x = g15()      // ERROR "live at call to g15: x$"
-	printstring(x) // ERROR "live at call to printstring: x$"
-}
-
-func g15() string
-
-// Checking that various temporaries do not persist or cause
-// ambiguously live values that must be zeroed.
-// The exact temporary names are inconsequential but we are
-// trying to check that there is only one at any given site,
-// and also that none show up in "ambiguously live" messages.
-
-var m map[string]int
-
-func f16() {
-	if b {
-		delete(m, "hi") // ERROR "live at call to mapdelete: autotmp_[0-9]+$"
-	}
-	delete(m, "hi") // ERROR "live at call to mapdelete: autotmp_[0-9]+$"
-	delete(m, "hi") // ERROR "live at call to mapdelete: autotmp_[0-9]+$"
-}
-
-var m2s map[string]*byte
-var m2 map[[2]string]*byte
-var x2 [2]string
-var bp *byte
-
-func f17a() {
-	// value temporary only
-	if b {
-		m2[x2] = nil // ERROR "live at call to mapassign1: autotmp_[0-9]+$"
-	}
-	m2[x2] = nil // ERROR "live at call to mapassign1: autotmp_[0-9]+$"
-	m2[x2] = nil // ERROR "live at call to mapassign1: autotmp_[0-9]+$"
-}
-
-func f17b() {
-	// key temporary only
-	if b {
-		m2s["x"] = bp // ERROR "live at call to mapassign1: autotmp_[0-9]+$"
-	}
-	m2s["x"] = bp // ERROR "live at call to mapassign1: autotmp_[0-9]+$"
-	m2s["x"] = bp // ERROR "live at call to mapassign1: autotmp_[0-9]+$"
-}
-
-func f17c() {
-	// key and value temporaries
-	if b {
-		m2s["x"] = nil // ERROR "live at call to mapassign1: autotmp_[0-9]+ autotmp_[0-9]+$"
-	}
-	m2s["x"] = nil // ERROR "live at call to mapassign1: autotmp_[0-9]+ autotmp_[0-9]+$"
-	m2s["x"] = nil // ERROR "live at call to mapassign1: autotmp_[0-9]+ autotmp_[0-9]+$"
-}
-
-func g18() [2]string
-
-func f18() {
-	// key temporary for mapaccess.
-	// temporary introduced by orderexpr.
-	var z *byte
-	if b {
-		z = m2[g18()] // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-	}
-	z = m2[g18()] // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-	z = m2[g18()] // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-	printbytepointer(z)
-}
-
-var ch chan *byte
-
-func f19() {
-	// dest temporary for channel receive.
-	var z *byte
-
-	if b {
-		z = <-ch // ERROR "live at call to chanrecv1: autotmp_[0-9]+$"
-	}
-	z = <-ch // ERROR "live at call to chanrecv1: autotmp_[0-9]+$"
-	z = <-ch // ERROR "live at call to chanrecv1: autotmp_[0-9]+$"
-	printbytepointer(z)
-}
-
-func f20() {
-	// src temporary for channel send
-	if b {
-		ch <- nil // ERROR "live at call to chansend1: autotmp_[0-9]+$"
-	}
-	ch <- nil // ERROR "live at call to chansend1: autotmp_[0-9]+$"
-	ch <- nil // ERROR "live at call to chansend1: autotmp_[0-9]+$"
-}
-
-func f21() {
-	// key temporary for mapaccess using array literal key.
-	var z *byte
-	if b {
-		z = m2[[2]string{"x", "y"}] // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-	}
-	z = m2[[2]string{"x", "y"}] // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-	z = m2[[2]string{"x", "y"}] // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-	printbytepointer(z)
-}
-
-func f23() {
-	// key temporary for two-result map access using array literal key.
-	var z *byte
-	var ok bool
-	if b {
-		z, ok = m2[[2]string{"x", "y"}] // ERROR "live at call to mapaccess2: autotmp_[0-9]+$"
-	}
-	z, ok = m2[[2]string{"x", "y"}] // ERROR "live at call to mapaccess2: autotmp_[0-9]+$"
-	z, ok = m2[[2]string{"x", "y"}] // ERROR "live at call to mapaccess2: autotmp_[0-9]+$"
-	printbytepointer(z)
-	print(ok)
-}
-
-func f24() {
-	// key temporary for map access using array literal key.
-	// value temporary too.
-	if b {
-		m2[[2]string{"x", "y"}] = nil // ERROR "live at call to mapassign1: autotmp_[0-9]+ autotmp_[0-9]+$"
-	}
-	m2[[2]string{"x", "y"}] = nil // ERROR "live at call to mapassign1: autotmp_[0-9]+ autotmp_[0-9]+$"
-	m2[[2]string{"x", "y"}] = nil // ERROR "live at call to mapassign1: autotmp_[0-9]+ autotmp_[0-9]+$"
-}
-
-// defer should not cause spurious ambiguously live variables
-
-func f25(b bool) {
-	defer g25()
-	if b {
-		return
-	}
-	var x string
-	_ = &x
-	x = g15()      // ERROR "live at call to g15: x$"
-	printstring(x) // ERROR "live at call to printstring: x$"
-} // ERROR "live at call to deferreturn: x$"
-
-func g25()
-
-// non-escaping ... slices passed to function call should die on return,
-// so that the temporaries do not stack and do not cause ambiguously
-// live variables.
-
-func f26(b bool) {
-	if b {
-		print26((*int)(nil), (*int)(nil), (*int)(nil)) // ERROR "live at call to print26: autotmp_[0-9]+$"
-	}
-	print26((*int)(nil), (*int)(nil), (*int)(nil)) // ERROR "live at call to print26: autotmp_[0-9]+$"
-	print26((*int)(nil), (*int)(nil), (*int)(nil)) // ERROR "live at call to print26: autotmp_[0-9]+$"
-	printnl()
-}
-
-//go:noescape
-func print26(...interface{})
-
-// non-escaping closures passed to function call should die on return
-
-func f27(b bool) {
-	x := 0
-	if b {
-		call27(func() { x++ }) // ERROR "live at call to call27: autotmp_[0-9]+$"
-	}
-	call27(func() { x++ }) // ERROR "live at call to call27: autotmp_[0-9]+$"
-	call27(func() { x++ }) // ERROR "live at call to call27: autotmp_[0-9]+$"
-	printnl()
-}
-
-// but defer does escape to later execution in the function
-
-func f27defer(b bool) {
-	x := 0
-	if b {
-		defer call27(func() { x++ }) // ERROR "live at call to deferproc: autotmp_[0-9]+$" "live at call to deferreturn: autotmp_[0-9]+$"
-	}
-	defer call27(func() { x++ }) // ERROR "f27defer: autotmp_[0-9]+ \(type struct { F uintptr; x \*int }\) is ambiguously live$" "live at call to deferproc: autotmp_[0-9]+ autotmp_[0-9]+$" "live at call to deferreturn: autotmp_[0-9]+ autotmp_[0-9]+$"
-	printnl()                    // ERROR "live at call to printnl: autotmp_[0-9]+ autotmp_[0-9]+$"
-} // ERROR "live at call to deferreturn: autotmp_[0-9]+ autotmp_[0-9]+$"
-
-// and newproc (go) escapes to the heap
-
-func f27go(b bool) {
-	x := 0
-	if b {
-		go call27(func() { x++ }) // ERROR "live at call to newobject: &x$" "live at call to newproc: &x$"
-	}
-	go call27(func() { x++ }) // ERROR "live at call to newobject: &x$"
-	printnl()
-}
-
-//go:noescape
-func call27(func())
-
-// concatstring slice should die on return
-
-var s1, s2, s3, s4, s5, s6, s7, s8, s9, s10 string
-
-func f28(b bool) {
-	if b {
-		printstring(s1 + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10) // ERROR "live at call to concatstrings: autotmp_[0-9]+$" "live at call to printstring: autotmp_[0-9]+$"
-	}
-	printstring(s1 + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10) // ERROR "live at call to concatstrings: autotmp_[0-9]+$" "live at call to printstring: autotmp_[0-9]+$"
-	printstring(s1 + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10) // ERROR "live at call to concatstrings: autotmp_[0-9]+$" "live at call to printstring: autotmp_[0-9]+$"
-}
-
-// map iterator should die on end of range loop
-
-func f29(b bool) {
-	if b {
-		for k := range m { // ERROR "live at call to mapiterinit: autotmp_[0-9]+$" "live at call to mapiternext: autotmp_[0-9]+$"
-			printstring(k) // ERROR "live at call to printstring: autotmp_[0-9]+$"
-		}
-	}
-	for k := range m { // ERROR "live at call to mapiterinit: autotmp_[0-9]+$" "live at call to mapiternext: autotmp_[0-9]+$"
-		printstring(k) // ERROR "live at call to printstring: autotmp_[0-9]+$"
-	}
-	for k := range m { // ERROR "live at call to mapiterinit: autotmp_[0-9]+$" "live at call to mapiternext: autotmp_[0-9]+$"
-		printstring(k) // ERROR "live at call to printstring: autotmp_[0-9]+$"
-	}
-}
-
-// copy of array of pointers should die at end of range loop
-
-var ptrarr [10]*int
-
-func f30(b bool) {
-	// two live temps during print(p):
-	// the copy of ptrarr and the internal iterator pointer.
-	if b {
-		for _, p := range ptrarr {
-			printintpointer(p) // ERROR "live at call to printintpointer: autotmp_[0-9]+ autotmp_[0-9]+$"
-		}
-	}
-	for _, p := range ptrarr {
-		printintpointer(p) // ERROR "live at call to printintpointer: autotmp_[0-9]+ autotmp_[0-9]+$"
-	}
-	for _, p := range ptrarr {
-		printintpointer(p) // ERROR "live at call to printintpointer: autotmp_[0-9]+ autotmp_[0-9]+$"
-	}
-}
-
-// conversion to interface should not leave temporary behind
-
-func f31(b1, b2, b3 bool) {
-	if b1 {
-		g31("a") // ERROR "live at call to convT2E: autotmp_[0-9]+$" "live at call to g31: autotmp_[0-9]+$"
-	}
-	if b2 {
-		h31("b") // ERROR "live at call to convT2E: autotmp_[0-9]+ autotmp_[0-9]+$" "live at call to h31: autotmp_[0-9]+$" "live at call to newobject: autotmp_[0-9]+$"
-	}
-	if b3 {
-		panic("asdf") // ERROR "live at call to convT2E: autotmp_[0-9]+$" "live at call to gopanic: autotmp_[0-9]+$"
-	}
-	print(b3)
-}
-
-func g31(interface{})
-func h31(...interface{})
-
-// non-escaping partial functions passed to function call should die on return
-
-type T32 int
-
-func (t *T32) Inc() { // ERROR "live at entry to \(\*T32\).Inc: t$"
-	*t++
-}
-
-var t32 T32
-
-func f32(b bool) {
-	if b {
-		call32(t32.Inc) // ERROR "live at call to call32: autotmp_[0-9]+$"
-	}
-	call32(t32.Inc) // ERROR "live at call to call32: autotmp_[0-9]+$"
-	call32(t32.Inc) // ERROR "live at call to call32: autotmp_[0-9]+$"
-}
-
-//go:noescape
-func call32(func())
-
-// temporaries introduced during if conditions and && || expressions
-// should die once the condition has been acted upon.
-
-var m33 map[interface{}]int
-
-func f33() {
-	if m33[nil] == 0 { // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-		printnl()
-		return
-	} else {
-		printnl()
-	}
-	printnl()
-}
-
-func f34() {
-	if m33[nil] == 0 { // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-		printnl()
-		return
-	}
-	printnl()
-}
-
-func f35() {
-	if m33[nil] == 0 && m33[nil] == 0 { // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-		printnl()
-		return
-	}
-	printnl()
-}
-
-func f36() {
-	if m33[nil] == 0 || m33[nil] == 0 { // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-		printnl()
-		return
-	}
-	printnl()
-}
-
-func f37() {
-	if (m33[nil] == 0 || m33[nil] == 0) && m33[nil] == 0 { // ERROR "live at call to mapaccess1: autotmp_[0-9]+$"
-		printnl()
-		return
-	}
-	printnl()
-}
-
-// select temps should disappear in the case bodies
-
-var c38 chan string
-
-func fc38() chan string
-func fi38(int) *string
-func fb38() *bool
-
-func f38(b bool) {
-	// we don't care what temps are printed on the lines with output.
-	// we care that the println lines have no live variables
-	// and therefore no output.
-	if b {
-		select { // ERROR "live at call to newselect: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$" "live at call to selectgo: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$"
-		case <-fc38(): // ERROR "live at call to selectrecv: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$"
-			printnl()
-		case fc38() <- *fi38(1): // ERROR "live at call to fc38: autotmp_[0-9]+$" "live at call to fi38: autotmp_[0-9]+ autotmp_[0-9]+$" "live at call to selectsend: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$"
-			printnl()
-		case *fi38(2) = <-fc38(): // ERROR "live at call to fc38: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$" "live at call to fi38: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$" "live at call to selectrecv: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$"
-			printnl()
-		case *fi38(3), *fb38() = <-fc38(): // ERROR "live at call to fb38: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$" "live at call to fc38: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$" "live at call to fi38: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$" "live at call to selectrecv2: autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+ autotmp_[0-9]+$"
-			printnl()
-		}
-		printnl()
-	}
-	printnl()
-}
-
-// issue 8097: mishandling of x = x during return.
-
-func f39() (x []int) {
-	x = []int{1}
-	printnl() // ERROR "live at call to printnl: x$"
-	return x
-}
-
-func f39a() (x []int) {
-	x = []int{1}
-	printnl() // ERROR "live at call to printnl: x$"
-	return
-}
-
-func f39b() (x [10]*int) {
-	x = [10]*int{}
-	x[0] = new(int) // ERROR "live at call to newobject: x$"
-	printnl()       // ERROR "live at call to printnl: x$"
-	return x
-}
-
-func f39c() (x [10]*int) {
-	x = [10]*int{}
-	x[0] = new(int) // ERROR "live at call to newobject: x$"
-	printnl()       // ERROR "live at call to printnl: x$"
-	return
-}
-
-// issue 8142: lost 'addrtaken' bit on inlined variables.
-// no inlining in this test, so just checking that non-inlined works.
-
-type T40 struct {
-	m map[int]int
-}
-
-func newT40() *T40 {
-	ret := T40{}
-	ret.m = make(map[int]int) // ERROR "live at call to makemap: &ret$"
-	return &ret
-}
-
-func bad40() {
-	t := newT40()
-	_ = t
-	printnl()
-}
-
-func good40() {
-	ret := T40{}
-	ret.m = make(map[int]int) // ERROR "live at call to makemap: autotmp_[0-9]+ ret$"
-	t := &ret
-	printnl() // ERROR "live at call to printnl: autotmp_[0-9]+ ret$"
-	_ = t
-}
-
-func ddd1(x, y *int) { // ERROR "live at entry to ddd1: x y$"
-	ddd2(x, y) // ERROR "live at call to ddd2: x y autotmp_[0-9]+$"
-	printnl()  // ERROR "live at call to printnl: x y$"
-	// Note: no autotmp live at printnl.  See issue 16996.
-}
-func ddd2(a ...*int) { // ERROR "live at entry to ddd2: a$"
-	sink = a[0]
-}
-
-var sink *int