patch 8.2.0488: Vim9: compiling can break when using a lambda inside :def Commit: https://github.com/vim/vim/commit/05afceeddc4afbbca60e4e6a729a50d33d4b19f7 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 31 23:32:31 2020 +0200 patch 8.2.0488: Vim9: compiling can break when using a lambda inside :def Problem: Vim9: Compiling can break when using a lambda inside :def. Solution: Do not keep a pointer to the dfunc_T for longer time.

--- a/src/vim9.h
+++ b/src/vim9.h
@@ -257,7 +257,7 @@ struct dfunc_S {
 // Functions defined with :def are stored in this growarray.
 // They are never removed, so that they can be found by index.
 // Deleted functions have the df_deleted flag set.
-garray_T def_functions = {0, 0, sizeof(dfunc_T), 200, NULL};
+garray_T def_functions = {0, 0, sizeof(dfunc_T), 50, NULL};
 #else
 extern garray_T def_functions;
 #endif