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-rw-r--r--test/fixedbugs/bug099.go37
1 files changed, 37 insertions, 0 deletions
diff --git a/test/fixedbugs/bug099.go b/test/fixedbugs/bug099.go
new file mode 100644
index 0000000..03a5c45
--- /dev/null
+++ b/test/fixedbugs/bug099.go
@@ -0,0 +1,37 @@
+// run
+
+// Copyright 2009 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 main
+
+// Interface
+type I interface { F() int }
+
+// Implements interface
+type S struct { }
+func (s *S) F() int { return 1 }
+
+// Allocates S but returns I
+// Arg is unused but important:
+// if you take it out (and the 0s below)
+// then the bug goes away.
+func NewI(i int) I {
+ return new(S)
+}
+
+// Uses interface method.
+func Use(x I) {
+ x.F()
+}
+
+func main() {
+ i := NewI(0);
+ Use(i);
+
+ // Again, without temporary
+ // Crashes because x.F is 0.
+ Use(NewI(0));
+}
+