Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/test/fixedbugs/issue20250.go b/test/fixedbugs/issue20250.go
new file mode 100644
index 0000000..c739b6f
--- /dev/null
+++ b/test/fixedbugs/issue20250.go
@@ -0,0 +1,27 @@
+// errorcheck -0 -live -l
+
+//go:build !goexperiment.cgocheck2
+// +build !goexperiment.cgocheck2
+
+// Copyright 2017 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.
+
+// Issue 20250: liveness differed with concurrent compilation
+// due to propagation of addrtaken to outer variables for
+// closure variables.
+
+package p
+
+type T struct {
+	s [2]string
+}
+
+func f(a T) { // ERROR "live at entry to f: a$"
+	var e interface{} // ERROR "stack object e interface \{\}$"
+	func() {          // ERROR "live at entry to f.func1: &e a$"
+		e = a.s // ERROR "live at call to convT: &e$" "stack object a T$"
+	}()
+	// Before the fix, both a and e were live at the previous line.
+	_ = e
+}