# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1637444703 -3600
# Node ID a968027f8a2ca2b785fc21fbfab32937f2cbaf58
# Parent  72829db3aeaaea11471b571dd63f13a81c1c5de5
patch 8.2.3633: Vim9: line number of lambda is off by one

Commit: https://github.com/vim/vim/commit/a755fdbe80bed4897e06028f0044c208e0f9d8cb
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sat Nov 20 21:35:41 2021 +0000

    patch 8.2.3633: Vim9: line number of lambda is off by one

    Problem:    Vim9: line number of lambda is off by one.
    Solution:   Add one to the line number. (closes https://github.com/vim/vim/issues/9083)

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
@@ -1052,6 +1052,20 @@ def Test_call_lambda_args()
   CheckScriptFailure(['vim9script'] + lines, 'E118: Too many arguments for function: <lambda>', 2)
 enddef
 
+def Test_lambda_line_nr()
+  var lines =<< trim END
+      vim9script
+      # comment
+      # comment
+      var id = timer_start(1'000, (_) => 0)
+      var out = execute('verbose ' .. timer_info(id)[0].callback
+          ->string()
+          ->substitute("('\\|')", ' ', 'g'))
+      assert_match('Last set from .* line 4', out)
+  END
+  CheckScriptSuccess(lines)
+enddef
+
 def FilterWithCond(x: string, Cond: func(string): bool): bool
   return Cond(x)
 enddef
diff --git a/src/userfunc.c b/src/userfunc.c
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -1491,7 +1491,7 @@ get_lambda_tv(
 	fp->uf_flags = flags;
 	fp->uf_calls = 0;
 	fp->uf_script_ctx = current_sctx;
-	fp->uf_script_ctx.sc_lnum += SOURCING_LNUM - newlines.ga_len;
+	fp->uf_script_ctx.sc_lnum += SOURCING_LNUM - newlines.ga_len + 1;
 
 	function_using_block_scopes(fp, evalarg->eval_cstack);
 
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3633,
+/**/
     3632,
 /**/
     3631,