From e98f60a5912d30db289231aed7d3a1d74beaae20 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Mon, 22 Mar 2021 18:22:30 +0100
Subject: [PATCH] patch 8.2.2642: Vim9: no clear error for wrong inline
 function

Problem:    Vim9: no clear error for wrong inline function.
Solution:   Check for something following the "{".
---
 src/testdir/test_vim9_expr.vim | 5 +++++
 src/userfunc.c                 | 7 ++++++-
 src/version.c                  | 2 ++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index 6b9b54a58..c181b203f 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -1963,6 +1963,11 @@ def Test_expr7_lambda_block()
       assert_equal(['no', 'yes', 'no'], dll)
   END
   CheckDefAndScriptSuccess(lines)
+
+  lines =<< trim END
+      map([1, 2], (k, v) => { redrawt })
+  END
+  CheckDefAndScriptFailure(lines, 'E488')
 enddef
 
 def NewLambdaWithComments(): func
diff --git a/src/userfunc.c b/src/userfunc.c
index a53c4769c..c9c7bc791 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -954,10 +954,15 @@ lambda_function_body(
     int		lnum_save = -1;
     linenr_T	sourcing_lnum_top = SOURCING_LNUM;
 
+    if (!ends_excmd2(*arg, skipwhite(*arg + 1)))
+    {
+	semsg(_(e_trailing_arg), *arg + 1);
+	return FAIL;
+    }
+
     CLEAR_FIELD(eap);
     eap.cmdidx = CMD_block;
     eap.forceit = FALSE;
-    eap.arg = *arg + 1;
     eap.cmdlinep = &cmdline;
     eap.skip = !evaluate;
     if (evalarg->eval_cctx != NULL)
diff --git a/src/version.c b/src/version.c
index 3a5365a86..fbe38b806 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2642,
 /**/
     2641,
 /**/
-- 
2.50.1