}

// instrumentFields instruments a read/write operation on addr.
// If it is instrumenting for MSAN or ASAN and t is a struct type, it instruments
// operation for each field, instead of for the whole struct.
func (s *state) instrumentFields(t *types.Type, addr *ssa.Value, kind instrumentKind) {
	if !(base.Flag.MSan || base.Flag.ASan) || !t.IsStruct() {
		s.instrument(t, addr, kind)
		return
	}
	for _, f := range t.Fields() {