That is the very situation presented by this record. See also State v. Rosewall, 239 N.W.2d 171 (Iowa); State v. Hillman, 238 N.W.2d 793 (Iowa). Defendant presents nothing for review here.
We have held the right to attack defective instructions under Code ยง 787.3(5) in a motion for new trial is waived by an earlier express disclaimer of exceptions. State v. Hillman, Iowa, 238 N.W.2d 793 (1976); State v. Dague, 206 N.W.2d 93, 95 (Iowa 1973). Even assuming arguendo that no waiver problem exists, this assignment of error is still of no benefit to defendant, for the instruction he urges is itself patently erroneous.
" State v. Jackson, 223 N.W.2d 229, 231-232 (Iowa 1974). See also State v. Hillman, 238 N.W.2d 793 (Iowa 1976); State v. Feddersen, 230 N.W.2d 510, 516 (Iowa 1975). In Jackson, supra, we found an express waiver where defense counsel stated "* * * (t)he defendant has no objections and exceptions to the instructions in their final draft."