Patch 8.2.3066
Problem:    Vim9: debugging lambda does not work.
Solution:   Use the compile type of the function when compiling a lambda.
            (closes #8412)
Files:      src/vim9compile.c, src/testdir/test_debugger.vim


*** ../vim-8.2.3065/src/vim9compile.c   2021-06-27 15:35:36.955403117 +0200
--- src/vim9compile.c   2021-06-27 16:28:26.819232754 +0200
***************
*** 3622,3628 ****
      // compile_return().
      if (ufunc->uf_ret_type->tt_type == VAR_VOID)
        ufunc->uf_ret_type = &t_unknown;
!     compile_def_function(ufunc, FALSE, COMPILE_TYPE(ufunc), cctx);
  
      // evalarg.eval_tofree_cmdline may have a copy of the last line and "*arg"
      // points into it.  Point to the original line to avoid a dangling 
pointer.
--- 3622,3628 ----
      // compile_return().
      if (ufunc->uf_ret_type->tt_type == VAR_VOID)
        ufunc->uf_ret_type = &t_unknown;
!     compile_def_function(ufunc, FALSE, cctx->ctx_compile_type, cctx);
  
      // evalarg.eval_tofree_cmdline may have a copy of the last line and "*arg"
      // points into it.  Point to the original line to avoid a dangling 
pointer.
*** ../vim-8.2.3065/src/testdir/test_debugger.vim       2021-06-23 
20:20:49.654780609 +0200
--- src/testdir/test_debugger.vim       2021-06-27 16:27:24.347373778 +0200
***************
*** 932,938 ****
    call delete('Xtest2.vim')
  endfunc
  
! func Test_debug_DefFunction()
    CheckCWD
    let file =<< trim END
      vim9script
--- 932,938 ----
    call delete('Xtest2.vim')
  endfunc
  
! func Test_debug_def_and_legacy_function()
    CheckCWD
    let file =<< trim END
      vim9script
***************
*** 1068,1073 ****
--- 1068,1100 ----
    call delete('Xtest.vim')
  endfunc
  
+ func Test_debug_def_function_with_lambda()
+   CheckCWD
+   let lines =<< trim END
+      vim9script
+      def g:Func()
+        var s = 'a'
+        ['b']->map((_, v) => s)
+        echo "done"
+      enddef
+      breakadd func 2 g:Func
+   END
+   call writefile(lines, 'XtestLambda.vim')
+ 
+   let buf = RunVimInTerminal('-S XtestLambda.vim', {})
+ 
+   call RunDbgCmd(buf,
+                 \ ':call g:Func()',
+                 \ ['function Func', 'line 2: [''b'']->map((_, v) => s)'])
+   call RunDbgCmd(buf,
+                 \ 'next',
+                 \ ['function Func', 'line 3: echo "done"'])
+ 
+   call RunDbgCmd(buf, 'cont')
+   call StopVimInTerminal(buf)
+   call delete('XtestLambda.vim')
+ endfunc
+ 
  func Test_debug_backtrace_level()
    CheckCWD
    let lines =<< trim END
*** ../vim-8.2.3065/src/version.c       2021-06-27 15:35:36.955403117 +0200
--- src/version.c       2021-06-27 16:11:49.953135946 +0200
***************
*** 757,758 ****
--- 757,760 ----
  {   /* Add new patch number below this line */
+ /**/
+     3066,
  /**/

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