commit dbdd16b62560413abcc3c8e893cc3010ccf31666
author Bram Moolenaar <Bram@vim.org> Sun Aug 14 21:46:07 2022 +0100
committer Bram Moolenaar <Bram@vim.org> Sun Aug 14 21:46:07 2022 +0100
tree 25233801194a5fefcf40f3cda2530b3d94286ed9
parent d1d8f6bacb489036d0fd479c9dd3c0102c988889

patch 9.0.0212: invalid memory access when compiling :unlet

Problem:    Invalid memory access when compiling :unlet.
Solution:   Don't read past the end of the line.

src/testdir/test_vim9_cmd.vim

diff --git a/src/testdir/test_vim9_cmd.vim b/src/testdir/test_vim9_cmd.vim
index 79f19f0..5484ecb 100644
--- a/src/testdir/test_vim9_cmd.vim
+++ b/src/testdir/test_vim9_cmd.vim
@@ -1740,12 +1740,19 @@
 
   lines =<< trim END
       def _()
-        s:0([], s:0)
         lockv
       enddef
       defcomp
   END
-  v9.CheckScriptFailure(lines, 'E179', 2)
+  v9.CheckScriptFailure(lines, 'E179', 1)
+
+  lines =<< trim END
+      def T()
+        unlet
+      enddef
+      defcomp
+  END
+  v9.CheckScriptFailure(lines, 'E179', 1)
 enddef
 
 def Test_substitute_expr()