message: Fixed assert in ParseSingleValue (found by fuzzer)
diff: @@ -669,11 +669,11 @@ CheckedError Parser::ParseField(StructDef &struct_def) {
  if (token_ == '=') {
  NEXT();
  - ECHECK(ParseSingleValue(&field->name, field->value));
  if (!IsScalar(type.base_type) ||
  (struct_def.fixed && field->value.constant != "0"))
  return Error(
  "default values currently only supported for scalars in tables");
  + ECHECK(ParseSingleValue(&field->name, field->value));
  }
  if (type.enum_def &&
  !type.enum_def->is_union &&
  