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Colin Cross7bb052a2015-02-03 12:59:37 -08001// errorcheck
2
Dan Willemsen0c157092016-07-08 13:57:52 -07003// Copyright 2012 The Go Authors. All rights reserved.
Colin Cross7bb052a2015-02-03 12:59:37 -08004// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Issue 4545: untyped constants are incorrectly coerced
8// to concrete types when used in interface{} context.
9
10package main
11
12import "fmt"
13
14func main() {
15 var s uint
16 fmt.Println(1.0 + 1<<s) // ERROR "invalid operation|non-integer type|incompatible type"
17 x := 1.0 + 1<<s // ERROR "invalid operation|non-integer type"
18 _ = x
19}