To: vim_dev@googlegroups.com
Subject: Patch 8.2.3230
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 8.2.3230
Problem:    Vim9: type error when function return type is not known yet.
Solution:   When return type is unknown, use "any". (closes #8644)
Files:      src/vim9compile.c, src/testdir/test_vim9_builtin.vim


*** ../vim-8.2.3229/src/vim9compile.c	2021-07-26 21:10:07.977693943 +0200
--- src/vim9compile.c	2021-07-27 22:20:09.839202236 +0200
***************
*** 2130,2135 ****
--- 2130,2138 ----
  	    }
  	}
  	ret_type = type->tt_member;
+ 	if (ret_type == &t_unknown)
+ 	    // return type not known yet, use a runtime check
+ 	    ret_type = &t_any;
      }
      else
      {
*** ../vim-8.2.3229/src/testdir/test_vim9_builtin.vim	2021-07-27 22:00:39.753712380 +0200
--- src/testdir/test_vim9_builtin.vim	2021-07-27 22:19:26.855270283 +0200
***************
*** 1172,1177 ****
--- 1172,1187 ----
    var F: func = function('min', [[5, 8, 6]])
    F->get('name')->assert_equal('min')
    F->get('args')->assert_equal([[5, 8, 6]])
+ 
+   var lines =<< trim END
+       vim9script
+       def DoThat(): number
+         var Getqflist: func = function('getqflist', [{id: 42}])
+         return Getqflist()->get('id', 77)
+       enddef
+       assert_equal(0, DoThat())
+   END
+   CheckScriptSuccess(lines)
  enddef
  
  def Test_getbufinfo()
*** ../vim-8.2.3229/src/version.c	2021-07-27 22:00:39.757712371 +0200
--- src/version.c	2021-07-27 22:15:50.319622970 +0200
***************
*** 757,758 ****
--- 757,760 ----
  {   /* Add new patch number below this line */
+ /**/
+     3230,
  /**/

-- 
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///                                                                      \\\
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