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/testdir/vim9.vim
+++ b/src/testdir/vim9.vim
@@ -2,7 +2,7 @@
 
 " Check that "lines" inside ":def" results in an "error" message.
 func CheckDefFailure(lines, error)
-  call writefile(['def Func()'] + a:lines + ['enddef'], 'Xdef')
+  call writefile(['def Func()'] + a:lines + ['enddef', 'defcompile'], 'Xdef')
   call assert_fails('so Xdef', a:error, a:lines)
   call delete('Xdef')
 endfunc