patch 8.2.0818: Vim9: using a discovery phase doesn't work well Commit: https://github.com/vim/vim/commit/822ba24743af9ee1b5e7f656a7a61a38f3638bca Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 24 23:00:18 2020 +0200 patch 8.2.0818: Vim9: using a discovery phase doesn't work well Problem: Vim9: using a discovery phase doesn't work well. Solution: Remove the discovery phase, instead compile a function only when it is used. Add :defcompile to compile def functions earlier.

--- a/src/vim.h
+++ b/src/vim.h
@@ -2133,7 +2133,6 @@ typedef enum {
 // Flags for assignment functions.
 #define LET_IS_CONST	1   // ":const"
 #define LET_NO_COMMAND	2   // "var = expr" without ":let" or ":const"
-#define LET_DISCOVERY	4   // discovery phase: variable can be redefined later
 
 #include "ex_cmds.h"	    // Ex command defines
 #include "spell.h"	    // spell checking stuff