vim-patch:7.4.1580

Problem:    Crash when using function reference. (Luchr)
Solution:   Set initial refcount. (Ken Takata)

7a5c46a9df

src/nvim/eval.c

@@ -18340,6 +18340,7 @@ handle_subscript (
 
     // Turn "dict.Func" into a partial for "Func" with "dict".
     if (pt != NULL) {
+      pt->pt_refcount = 1;
       pt->pt_dict = selfdict;
       selfdict = NULL;
       pt->pt_name = rettv->vval.v_string;

src/nvim/testdir/test_partial.vim

@@ -67,3 +67,17 @@ func Test_partial_implicit()
 
   call assert_fails('call function(dict.MyFunc, ["bbb"], dict)', 'E924:')
 endfunc
+
+fun InnerCall(funcref)
+  return a:funcref
+endfu
+
+fun OuterCall()
+  let opt = { 'func' : function('sin') }
+  call InnerCall(opt.func)
+endfu
+
+func Test_function_in_dict()
+  call OuterCall()
+endfunc
+

src/nvim/version.c

@@ -862,7 +862,7 @@ static int included_patches[] = {
   // 1583 NA
   // 1582,
   // 1581,
-  // 1580,
+  1580,
   // 1579 NA
   1578,
   1577,