patch 8.2.2770: Vim9: type of loop variable is not used Commit: https://github.com/vim/vim/commit/fe090eb58fad1aaf83267d0b4ace9f024a5ba2bc Author: Bram Moolenaar <Bram@vim.org> Date: Thu Apr 15 21:48:32 2021 +0200 patch 8.2.2770: Vim9: type of loop variable is not used Problem: Vim9: type of loop variable is not used. Solution: Parse and check the variable type. (closes https://github.com/vim/vim/issues/8107)

|f+0&#ffffff0|o@1| |1| @64
|f+1&&|o|o+0&&| |2| @64
|f+0&#ffff4012|o|o+0&#ffffff0| |3| @64
|f|o@1| |4| @64
|f|o@1| |5| @64
|f|o@1| |6| @64
|f|o@1| |7| @64
|f|o@1| |8| @64
|:|2|,|3|s|u|b| @1|/|f|o> @57