commit 2914a20abc78d4ace94d48d6e6ab9f0da894dd7e
author Bram Moolenaar <Bram@vim.org> Sun Sep 27 18:24:03 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Sun Sep 27 18:24:03 2020 +0200
tree 59070396b3a596283041c77e643125e29efd70bc
parent 37ce6d3a6ab7c7864de6788feb67377e8bbffa63

patch 8.2.1760: Vim9: crash when end marker is missing

Problem:    Vim9: crash when end marker is missing. (Dhiraj Mishra)
Solution:   Check for end of function lines. (closes #7031)

src/vim9compile.c

diff --git a/src/vim9compile.c b/src/vim9compile.c
index d505ca6..e4f3a90 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -4360,7 +4360,7 @@
 
     for (;;)
     {
-	if (cctx->ctx_lnum == cctx->ctx_ufunc->uf_lines.ga_len)
+	if (cctx->ctx_lnum >= cctx->ctx_ufunc->uf_lines.ga_len - 1)
 	    return NULL;
 	++cctx->ctx_lnum;
 	p = ((char_u **)cctx->ctx_ufunc->uf_lines.ga_data)[cctx->ctx_lnum];