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-rw-r--r--test/fixedbugs/issue20250.go24
1 files changed, 24 insertions, 0 deletions
diff --git a/test/fixedbugs/issue20250.go b/test/fixedbugs/issue20250.go
new file mode 100644
index 0000000..c190515
--- /dev/null
+++ b/test/fixedbugs/issue20250.go
@@ -0,0 +1,24 @@
+// errorcheck -0 -live -l -d=compilelater
+
+// 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 \{\}$"
+ func() { // ERROR "live at entry to f.func1: a &e"
+ e = a.s // ERROR "live at call to convT2E: &e" "stack object a T$"
+ }()
+ // Before the fix, both a and e were live at the previous line.
+ _ = e
+}