}
		pieces = append(pieces, c)
	}
	return strings.Join(pieces, "")
}

func (f *File) validateIdents(x interface{}, context astContext) {
	if x, ok := x.(*ast.Ident); ok {
		if f.isMangledName(x.Name) {
			error_(x.Pos(), "identifier %q may conflict with identifiers generated by cgo", x.Name)
		}
	}
}

// Save various references we are going to need later.

	// that the C code can refer to.
	prefix := "_C"
	if *gccgo && n.IsVar() {
		prefix = "C"
	}
	n.Mangle = prefix + n.Kind + "_" + n.Go
}

func (f *File) isMangledName(s string) bool {
	t, ok := strings.CutPrefix(s, "_C")
	if !ok {
		return false
	}
	return slices.ContainsFunc(nameKinds, func(k string) bool {
		return strings.HasPrefix(t, k+"_")
	})
}