1 files changed, 13 insertions, 0 deletions
diff --git a/test/fixedbugs/issue6899.go b/test/fixedbugs/issue6899.go
new file mode 100644
index 000000000..a693bf285
--- /dev/null
+++ b/test/fixedbugs/issue6899.go
@@ -0,0 +1,13 @@
+// cmpout
+
+// Copyright 2013 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 "math"
+
+func main() {
+	println(math.Copysign(0, -1))
+}