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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:14:23 +0000
commit73df946d56c74384511a194dd01dbe099584fd1a (patch)
treefd0bcea490dd81327ddfbb31e215439672c9a068 /test/live2.go
parentInitial commit. (diff)
downloadgolang-1.16-upstream.tar.xz
golang-1.16-upstream.zip
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/live2.go')
-rw-r--r--test/live2.go41
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)
+}