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-rw-r--r--test/fixedbugs/issue4066.go37
1 files changed, 37 insertions, 0 deletions
diff --git a/test/fixedbugs/issue4066.go b/test/fixedbugs/issue4066.go
new file mode 100644
index 0000000..19cfe66
--- /dev/null
+++ b/test/fixedbugs/issue4066.go
@@ -0,0 +1,37 @@
+// run
+
+// Copyright 2012 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 4066: return values not being spilled eagerly enough
+
+package main
+
+func main() {
+ n := foo()
+ if n != 2 {
+ println(n)
+ panic("wrong return value")
+ }
+}
+
+type terr struct{}
+
+func foo() (val int) {
+ val = 0
+ defer func() {
+ if x := recover(); x != nil {
+ _ = x.(terr)
+ }
+ }()
+ for {
+ val = 2
+ foo1()
+ }
+ panic("unreachable")
+}
+
+func foo1() {
+ panic(terr{})
+}