patch 8.2.3035: Vim9: crash when calling :def function with partial
Problem: Vim9: crash when calling :def function with partial and return
type is not set.
Solution: When the return type is not set handle like the return type is
unknown. (closes #8422)
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index de09baa..301a55c 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -1005,6 +1005,20 @@
Foo()
END
CheckScriptSuccess(lines)
+
+ lines =<< trim END
+ vim9script
+ def g:TestFunc(f: func())
+ enddef
+ legacy call g:TestFunc({-> 0})
+ delfunc g:TestFunc
+
+ def g:TestFunc(f: func(number))
+ enddef
+ legacy call g:TestFunc({nr -> 0})
+ delfunc g:TestFunc
+ END
+ CheckScriptSuccess(lines)
enddef
" Default arg and varargs