From: Bram Moolenaar <Bram@vim.org>
Date: Sat, 13 Jun 2020 17:56:38 +0000 (+0200)
Subject: patch 8.2.0974: Vim9: memory leak when script var has wrong type
X-Git-Tag: v8.2.0974
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=f3decc5830ef8d8d94902b76114935283dd4142e;p=thirdparty%2Fvim.git

patch 8.2.0974: Vim9: memory leak when script var has wrong type

Problem:    Vim9: memory leak when script var has wrong type.
Solution:   Free the variable name.
---

diff --git a/src/version.c b/src/version.c
index d2f442c89a..1f91903289 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    974,
 /**/
     973,
 /**/
diff --git a/src/vim9script.c b/src/vim9script.c
index 13a29ec3a9..650168419c 100644
--- a/src/vim9script.c
+++ b/src/vim9script.c
@@ -477,7 +477,10 @@ vim9_declare_scriptvar(exarg_T *eap, char_u *arg)
     p = skipwhite(p + 1);
     type = parse_type(&p, &si->sn_type_list);
     if (called_emsg != called_emsg_before)
+    {
+	vim_free(name);
 	return p;
+    }
 
     // Create the variable with 0/NULL value.
     CLEAR_FIELD(init_tv);