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-rw-r--r--test/fixedbugs/bug159.go39
1 files changed, 39 insertions, 0 deletions
diff --git a/test/fixedbugs/bug159.go b/test/fixedbugs/bug159.go
new file mode 100644
index 0000000..92d5345
--- /dev/null
+++ b/test/fixedbugs/bug159.go
@@ -0,0 +1,39 @@
+// 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
+
+import "os"
+
+func main() {
+ ok := true;
+ var a, b, c, x, y, z int;
+ f := func() int { b--; return -b };
+
+ // this fails on 6g: apparently it rewrites
+ // the list into
+ // z = f();
+ // y = f();
+ // x = f();
+ // so that the values come out backward.
+ x, y, z = f(), f(), f();
+ if x != 1 || y != 2 || z != 3 {
+ println("xyz: expected 1 2 3 got", x, y, z);
+ ok = false;
+ }
+
+ // this fails on 6g too. one of the function calls
+ // happens after assigning to b.
+ a, b, c = f(), f(), f();
+ if a != 4 || b != 5 || c != 6 {
+ println("abc: expected 4 5 6 got", a, b, c);
+ ok = false;
+ }
+
+ if !ok {
+ os.Exit(1);
+ }
+}