patch 8.1.2236: ml_get error if pattern matches beyond last line Commit: https://github.com/vim/vim/commit/bb26596242fa7db477e2cd706dd99f9a426b5f71 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Oct 31 04:38:36 2019 +0100 patch 8.1.2236: ml_get error if pattern matches beyond last line Problem: Ml_get error if pattern matches beyond last line. Solution: Adjust position if needed. (Christian Brabandt, closes https://github.com/vim/vim/issues/5139)

--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -3947,6 +3947,11 @@ do_sub(exarg_T *eap)
 		    VIM_CLEAR(sub_firstline);
 		}
 
+		// Match might be after the last line for "\n\zs" matching at
+		// the end of the last line.
+		if (lnum > curbuf->b_ml.ml_line_count)
+		    break;
+
 		if (sub_firstline == NULL)
 		{
 		    sub_firstline = vim_strsave(ml_get(sub_firstlnum));