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go/test/live2.go
Matthew Dempsky 777304a5d3 Revert "cmd/compile: make isfat handle 1-element array, 1-field struct"
This reverts commit 5322776215.

Reason for revert: broke js-wasm builder.

Change-Id: If22762317c4a9e00f5060eb84377a4a52d601fca
Reviewed-on: https://go-review.googlesource.com/c/go/+/192157
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
2019-08-28 20:28:13 +00:00

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Go

// errorcheck -0 -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 ENABLED
// see also live.go.
package main
// issue 8142: lost 'addrtaken' bit on inlined variables.
func printnl()
//go:noescape
func useT40(*T40)
type T40 struct {
m map[int]int
}
func newT40() *T40 {
ret := T40{}
ret.m = make(map[int]int, 42) // ERROR "live at call to makemap: &ret$"
return &ret
}
func bad40() {
t := newT40() // ERROR "live at call to makemap: ret$" "stack object ret T40$" "stack object .autotmp_[0-9]+ map.hdr\[int\]int$"
printnl() // ERROR "live at call to printnl: ret$"
useT40(t)
}
func good40() {
ret := T40{} // ERROR "stack object ret T40$"
ret.m = make(map[int]int, 42) // ERROR "live at call to makemap: ret$" "stack object .autotmp_[0-9]+ map.hdr\[int\]int$"
t := &ret
printnl() // ERROR "live at call to printnl: ret$"
useT40(t)
}