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-rw-r--r--test/fixedbugs/issue27557.go41
1 files changed, 41 insertions, 0 deletions
diff --git a/test/fixedbugs/issue27557.go b/test/fixedbugs/issue27557.go
new file mode 100644
index 0000000..f609b27
--- /dev/null
+++ b/test/fixedbugs/issue27557.go
@@ -0,0 +1,41 @@
+// errorcheck -0 -l -m
+
+// Copyright 2019 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.
+
+package p
+
+var sink interface{}
+
+func f1() {
+ var t T
+ f := t.noescape // ERROR "t.noescape does not escape"
+ f()
+}
+
+func f2() {
+ var t T // ERROR "moved to heap"
+ f := t.escape // ERROR "t.escape does not escape"
+ f()
+}
+
+func f3() {
+ var t T // ERROR "moved to heap"
+ f := t.returns // ERROR "t.returns does not escape"
+ sink = f()
+}
+
+type T struct{}
+
+func (t *T) noescape() {} // ERROR "t does not escape"
+func (t *T) escape() { sink = t } // ERROR "leaking param: t$"
+func (t *T) returns() *T { return t } // ERROR "leaking param: t to result ~r0 level=0"
+
+func (t *T) recursive() { // ERROR "leaking param: t$"
+ sink = t
+
+ var t2 T // ERROR "moved to heap"
+ f := t2.recursive // ERROR "t2.recursive does not escape"
+ f()
+}