patch 8.2.1434: Vim9: crash when lambda uses outer function argument Commit: https://github.com/vim/vim/commit/fd77748df2ba7d5f38aab649cb630374620462d7 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Aug 12 19:42:01 2020 +0200 patch 8.2.1434: Vim9: crash when lambda uses outer function argument Problem: Vim9: crash when lambda uses outer function argument. Solution: Set the flag that the outer context is used.

--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -2135,7 +2135,10 @@ compile_load(char_u **arg, char_u *end_a
 	if (gen_load)
 	    res = generate_LOAD(cctx, ISN_LOAD, idx, NULL, type);
 	if (gen_load_outer)
+	{
 	    res = generate_LOAD(cctx, ISN_LOADOUTER, idx, NULL, type);
+	    cctx->ctx_outer_used = TRUE;
+	}
     }
 
     *arg = end;