go issue26248 源码
golang issue26248 代码
文件路径：/test/fixedbugs/issue26248.go
// run
// Copyright 2018 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 26248: gccgo miscompiles interface field expression.
// In G().M where G returns an interface, G() is evaluated twice.
package main
type I interface {
M()
}
type T struct{}
func (T) M() {}
var g = 0
//go:noinline
func G() I {
g++
return T{}
}
//go:noinline
func Use(interface{}) {}
func main() {
x := G().M
Use(x)
if g != 1 {
println("want 1, got", g)
panic("FAIL")
}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦