// errorcheck // Copyright 2012 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 4545: untyped constants are incorrectly coerced // to concrete types when used in interface{} context. package main import "fmt" func main() { var s uint fmt.Println(1.0 + 1<<s) // ERROR "invalid operation|non-integer type|incompatible type" x := 1.0 + 1<<s // ERROR "invalid operation|non-integer type" _ = x }