patch 8.2.4162: Vim9: no error for redefining function with export
Problem: Vim9: no error for redefining function with export.
Solution: Check for existing function with/without prefix. (closes #9577)
diff --git a/src/testdir/test_vim9_import.vim b/src/testdir/test_vim9_import.vim
index 6a38106..c26ccf8 100644
--- a/src/testdir/test_vim9_import.vim
+++ b/src/testdir/test_vim9_import.vim
@@ -1440,6 +1440,80 @@
&rtp = save_rtp
enddef
+def Test_vim9script_autoload_duplicate()
+ mkdir('Xdir/autoload', 'p')
+
+ var lines =<< trim END
+ vim9script
+
+ export def Func()
+ enddef
+
+ def Func()
+ enddef
+ END
+ writefile(lines, 'Xdir/autoload/dupfunc.vim')
+ assert_fails('source Xdir/autoload/dupfunc.vim', 'E1073:')
+
+ lines =<< trim END
+ vim9script
+
+ def Func()
+ enddef
+
+ export def Func()
+ enddef
+ END
+ writefile(lines, 'Xdir/autoload/dup2func.vim')
+ assert_fails('source Xdir/autoload/dup2func.vim', 'E1073:')
+
+ lines =<< trim END
+ vim9script
+
+ def Func()
+ enddef
+
+ export var Func = 'asdf'
+ END
+ writefile(lines, 'Xdir/autoload/dup3func.vim')
+ assert_fails('source Xdir/autoload/dup3func.vim', 'E1041: Redefining script item Func')
+
+ lines =<< trim END
+ vim9script
+
+ export var Func = 'asdf'
+
+ def Func()
+ enddef
+ END
+ writefile(lines, 'Xdir/autoload/dup4func.vim')
+ assert_fails('source Xdir/autoload/dup4func.vim', 'E707:')
+
+ lines =<< trim END
+ vim9script
+
+ var Func = 'asdf'
+
+ export def Func()
+ enddef
+ END
+ writefile(lines, 'Xdir/autoload/dup5func.vim')
+ assert_fails('source Xdir/autoload/dup5func.vim', 'E707:')
+
+ lines =<< trim END
+ vim9script
+
+ export def Func()
+ enddef
+
+ var Func = 'asdf'
+ END
+ writefile(lines, 'Xdir/autoload/dup6func.vim')
+ assert_fails('source Xdir/autoload/dup6func.vim', 'E1041: Redefining script item Func')
+
+ delete('Xdir', 'rf')
+enddef
+
def Test_import_autoload_postponed()
mkdir('Xdir/autoload', 'p')
var save_rtp = &rtp