# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1615233604 -3600
# Node ID c5e396fb0ebe8cbf20a2fe0c105c55e931e2fad0
# Parent  f950af3477e21814f5879b2fe1f40724f802e4b0
patch 8.2.2579: Vim9: crash in garbagecollect after for loop

Commit: https://github.com/vim/vim/commit/d00a7fb81aff367c5dd5d86fb3883f1e7a58fed5
Author: Bram Moolenaar <Bram@vim.org>
Date:   Mon Mar 8 20:47:14 2021 +0100

    patch 8.2.2579: Vim9: crash in garbagecollect after for loop

    Problem:    Vim9: crash in garbagecollect after for loop.
    Solution:   Do not set a reference in script item when the name was cleared.
                (closes #7935)

diff --git a/src/evalvars.c b/src/evalvars.c
--- a/src/evalvars.c
+++ b/src/evalvars.c
@@ -319,7 +319,8 @@ garbage_collect_scriptvars(int copyID)
 	{
 	    svar_T    *sv = ((svar_T *)si->sn_var_vals.ga_data) + idx;
 
-	    abort = abort || set_ref_in_item(sv->sv_tv, copyID, NULL, NULL);
+	    if (sv->sv_name != NULL)
+		abort = abort || set_ref_in_item(sv->sv_tv, copyID, NULL, NULL);
 	}
     }
 
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2579,
+/**/
     2578,
 /**/
     2577,