# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1641735903 -3600
# Node ID fc19375787dd2d86f4bb8d1ec0677aeedfff90d9
# Parent  44f6a68c87f7044ada3d430aeaf2f32e4bde68a4
patch 8.2.4049: Vim9: reading before the start of the line with "$"

Commit: https://github.com/vim/vim/commit/5f25c3855071bd7e26255c68bf458b1b5cf92f39
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sun Jan 9 13:36:28 2022 +0000

    patch 8.2.4049: Vim9: reading before the start of the line with "$"

    Problem:    Vim9: reading before the start of the line with "$" by itself.
    Solution:   Do not subtract one when reporting the error.

diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -2853,6 +2853,7 @@ def Test_expr7_environment()
   CheckDefAndScriptSuccess(lines)
 
   CheckDefAndScriptFailure(["var x = $$$"], ['E1002:', 'E15:'], 1)
+  CheckDefAndScriptFailure(["$"], ['E1002:', 'E15:'], 1)
 enddef
 
 def Test_expr7_register()
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 */
 /**/
+    4049,
+/**/
     4048,
 /**/
     4047,
diff --git a/src/vim9expr.c b/src/vim9expr.c
--- a/src/vim9expr.c
+++ b/src/vim9expr.c
@@ -1233,7 +1233,7 @@ compile_get_env(char_u **arg, cctx_T *cc
     len = get_env_len(arg);
     if (len == 0)
     {
-	semsg(_(e_syntax_error_at_str), start - 1);
+	semsg(_(e_syntax_error_at_str), start);
 	return FAIL;
     }