patch 8.0.1492: memory leak in balloon_split() commit https://github.com/vim/vim/commit/b301f6b950975b9d7ae87a4f551b32bba63ccdcf Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 10 15:38:35 2018 +0100 patch 8.0.1492: memory leak in balloon_split() Problem: Memory leak in balloon_split(). Solution: Free the balloon lines. Free the balloon when exiting.

--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -1447,6 +1447,8 @@ f_balloon_split(typval_T *argvars, typva
 	    /* Skip the first and last item, they are always empty. */
 	    for (i = 1; i < size - 1; ++i)
 		list_append_string(rettv->vval.v_list, array[i].pum_text, -1);
+	    while (size > 0)
+		vim_free(array[--size].pum_text);
 	    vim_free(array);
 	}
     }