patch 8.2.4528: crash when using null_function for a partial
Problem: Crash when using null_function for a partial.
Solution: Don't call fname_trans_sid() with NULL. (closes #9908)
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index a47dbae..131413b 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -3337,6 +3337,15 @@
assert_equal(123, RefRef())
enddef
+def Test_partial_null_function()
+ var lines =<< trim END
+ var d: dict<func> = {f: null_function}
+ var Ref = d.f
+ assert_equal('func', typename(Ref))
+ END
+ v9.CheckDefAndScriptSuccess(lines)
+enddef
+
" Using "idx" from a legacy global function does not work.
" This caused a crash when called from legacy context.
func Test_partial_call_fails()