From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 17 Oct 2020 20:58:21 +0000 (+0200)
Subject: patch 8.2.1860: Vim9: memory leak when throwing empty string
X-Git-Tag: v8.2.1860
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=335e67132265b068f39f3671e5dff2aecd1bf403;p=vim

patch 8.2.1860: Vim9: memory leak when throwing empty string

Problem:    Vim9: memory leak when throwing empty string.
Solution:   Free the empty string.
---

diff --git a/src/version.c b/src/version.c
index 342ad7cd9..7720998fc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1860,
 /**/
     1859,
 /**/
diff --git a/src/vim9execute.c b/src/vim9execute.c
index 31b67d183..673bf91c4 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -2094,6 +2094,7 @@ call_def_function(
 		if (tv->vval.v_string == NULL
 				       || *skipwhite(tv->vval.v_string) == NUL)
 		{
+		    vim_free(tv->vval.v_string);
 		    emsg(_(e_throw_with_empty_string));
 		    goto failed;
 		}