golang a 代码
文件路径：/test/fixedbugs/issue10219.dir/a.go
/ Copyright 2015 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.
package a
type m struct {
S string
}
var g = struct {
m
P string
}{
m{"a"},
"",
}
type S struct{}
func (s *S) M(p string) {
r := g
r.P = p
}