patch 8.2.3728: internal error when passing range() to list2blob()

Problem: Internal error when passing range() to list2blob(). Solution: Materialize the list first. (closes #9262)
vim · Dec 3, 2021 · 04b7b4b · 04b7b4b
1 parent c14b57c
commit 04b7b4b
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diff --git a/src/blob.c b/src/blob.c
@@ -526,6 +526,7 @@ f_list2blob(typval_T *argvars, typval_T *rettv)
     if (l == NULL)
 	return;
 
+    CHECK_LIST_MATERIALIZE(l);
     FOR_ALL_LIST_ITEMS(l, li)
     {
 	int		error;

diff --git a/src/testdir/test_blob.vim b/src/testdir/test_blob.vim
@@ -675,7 +675,10 @@ func Test_list2blob()
   let b = range(16)->repeat(64)->list2blob()
   call assert_equal(1024, b->len())
   call assert_equal([4, 8, 15], [b[100], b[1000], b[1023]])
+
   call assert_equal(0z, list2blob(test_null_list()))
+  call assert_equal(0z00010203, list2blob(range(4)))
 endfunc
 
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3728,
 /**/
     3727,
 /**/