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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:16:40 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:16:40 +0000 |
commit | 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b (patch) | |
tree | a61a0ffd83f4a3def4b36e5c8e99630c559aa723 /test/live2.go | |
parent | Initial commit. (diff) | |
download | golang-1.18-upstream.tar.xz golang-1.18-upstream.zip |
Adding upstream version 1.18.10.upstream/1.18.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/live2.go')
-rw-r--r-- | test/live2.go | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/live2.go b/test/live2.go new file mode 100644 index 0000000..83a6cb7 --- /dev/null +++ b/test/live2.go @@ -0,0 +1,41 @@ +// 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$" + return &ret +} + +func bad40() { + t := newT40() // ERROR "stack object ret T40$" "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 "stack object .autotmp_[0-9]+ map.hdr\[int\]int$" + t := &ret + printnl() // ERROR "live at call to printnl: ret$" + useT40(t) +} |