demangle.go
func (st *state) cvQualifiers() Qualifiers {
	var q Qualifiers
	for len(st.str) > 0 {
		if qv, ok := qualifiers[st.str[0]]; ok {
			q = append([]string{qv}, q...)
			st.advance(1)
		} else if len(st.str) > 1 && st.str[:2] == "Dx" {
			q = append([]string{"transaction_safe"}, q...)
			st.advance(2)
		} else {
			break
		}
	}
	return q
}
func (st *state) cvQualifiers() Qualifiers {
	var q Qualifiers
	for len(st.str) > 0 {
		if qv, ok := qualifiers[st.str[0]]; ok {
			q = append([]string{qv}, q...)
			st.advance(1)
		} else if len(st.str) > 1 && st.str[:2] == "Dx" {
			q = append([]string{"transaction_safe"}, q...)
			st.advance(2)
		} else {
			break
		}
	}
	return q
}
// <CV-qualifiers> ::= [r] [V] [K]