# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1618258503 -7200
# Node ID ccdd5e9a376358691a0cb68ff63aa28d3d6979b9
# Parent  8a5865e08b2a9604dc227d1c10cb735f0a79da24
patch 8.2.2758: Vim9: wrong line number for autoload function with wrong name

Commit: https://github.com/vim/vim/commit/f48b2fa33cda94e963f6fa8b78f344385c9ebea6
Author: Bram Moolenaar <Bram@vim.org>
Date:   Mon Apr 12 22:02:36 2021 +0200

    patch 8.2.2758: Vim9: wrong line number for autoload function with wrong name

    Problem:    Vim9: wrong line number for autoload function with wrong name.
    Solution:   Set and restore SOURCING_LNUM. (closes https://github.com/vim/vim/issues/8100)

diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -74,6 +74,30 @@ def TestCompilingErrorInTry()
   delete('Xdir', 'rf')
 enddef
 
+def Test_autoload_name_mismatch()
+  var dir = 'Xdir/autoload'
+  mkdir(dir, 'p')
+
+  var lines =<< trim END
+      vim9script
+      def scriptX#Function()
+        # comment
+        g:runtime = 'yes'
+      enddef
+  END
+  writefile(lines, dir .. '/script.vim')
+
+  var save_rtp = &rtp
+  exe 'set rtp=' .. getcwd() .. '/Xdir'
+  lines =<< trim END
+      call script#Function()
+  END
+  CheckScriptFailure(lines, 'E746:', 2)
+
+  &rtp = save_rtp
+  delete(dir, 'rf')
+enddef
+
 def CallRecursive(n: number): number
   return CallRecursive(n + 1)
 enddef
diff --git a/src/userfunc.c b/src/userfunc.c
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -4058,7 +4058,11 @@ define_function(exarg_T *eap, char_u *na
 	    }
 	    if (j == FAIL)
 	    {
+		linenr_T save_lnum = SOURCING_LNUM;
+
+		SOURCING_LNUM = sourcing_lnum_top;
 		semsg(_("E746: Function name does not match script file name: %s"), name);
+		SOURCING_LNUM = save_lnum;
 		goto erret;
 	    }
 	}
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2758,
+/**/
     2757,
 /**/
     2756,