1// errorcheck
2
3// Copyright 2017 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Issue 19012: if we have any unknown type at a call site,
8// we must ensure that we return to the user a suppressed
9// error message saying instead of including <T> in
10// the message.
11
12package main
13
14func f(x int, y uint) {
15	if true {
16		return "a" > 10 // ERROR "^too many arguments to return$|return with value in function with no return|no result values expected|mismatched types"
17	}
18	return "gopher" == true, 10 // ERROR "^too many arguments to return$|return with value in function with no return|no result values expected|mismatched types"
19}
20
21func main() {
22	f(2, 3 < "x", 10) // ERROR "too many arguments|invalid operation|incompatible type"
23
24	f(10, 10, "a") // ERROR "too many arguments"
25}
26