1 files changed, 15 insertions, 0 deletions
diff --git a/test/fixedbugs/issue20812.go b/test/fixedbugs/issue20812.go
new file mode 100644
index 0000000..d0df831
--- /dev/null
+++ b/test/fixedbugs/issue20812.go
@@ -0,0 +1,15 @@
+// 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.
+
+package p
+
+func f() {
+	_ = int("1")      // ERROR "cannot convert|invalid type conversion"
+	_ = bool(0)       // ERROR "cannot convert|invalid type conversion"
+	_ = bool("false") // ERROR "cannot convert|invalid type conversion"
+	_ = int(false)    // ERROR "cannot convert|invalid type conversion"
+	_ = string(true)  // ERROR "cannot convert|invalid type conversion"
+}