Initial commit: Go 1.23 release state

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()
+}