golang issue4545 代码
文件路径：/test/fixedbugs/issue4545.go
/ 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
}