1 files changed, 16 insertions, 0 deletions
diff --git a/test/fixedbugs/issue20227.go b/test/fixedbugs/issue20227.go
new file mode 100644
index 0000000..f599231
--- /dev/null
+++ b/test/fixedbugs/issue20227.go
@@ -0,0 +1,16 @@
+// errorcheck
+
+// 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 20227: panic while constructing constant "1i/1e-600000000"
+
+package p
+
+var _ = 1 / 1e-600000000i  // ERROR "division by zero"
+var _ = 1i / 1e-600000000  // ERROR "division by zero"
+var _ = 1i / 1e-600000000i // ERROR "division by zero"
+
+var _ = 1 / (1e-600000000 + 1e-600000000i)  // ERROR "division by zero"
+var _ = 1i / (1e-600000000 + 1e-600000000i) // ERROR "division by zero"