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gofix: avoid panic on body-less functions in netudpgroup.
R=rsc, r CC=golang-dev https://golang.org/cl/5347041
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@ -30,7 +30,7 @@ func netudpgroup(f *ast.File) bool {
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fixed := false
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for _, d := range f.Decls {
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fd, ok := d.(*ast.FuncDecl)
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if !ok {
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if !ok || fd.Body == nil {
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continue
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}
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walk(fd.Body, func(n interface{}) {
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@ -28,6 +28,26 @@ func f() {
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err := x.JoinGroup(nil, gaddr)
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err = y.LeaveGroup(nil, gaddr)
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}
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`,
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},
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// Innocent function with no body.
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{
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Name: "netudpgroup.1",
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In: `package main
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import "net"
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func f()
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var _ net.IP
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`,
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Out: `package main
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import "net"
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func f()
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var _ net.IP
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`,
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},
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}
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