commit c323527d67081cfaff22503d1d282495976c7042
author Bram Moolenaar <Bram@vim.org> Sat Jul 10 19:42:03 2021 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Jul 10 19:42:03 2021 +0200
tree c59f38df837b94ee91d62ab3c7d6cdefe32b5fce
parent fe3418abe0dac65e42e85b5a91c5d0c975bc65bb

patch 8.2.3137: Vim9: no error when a line only has a variable name

Problem:    Vim9: no error when a line only has a variable name.
Solution:   Give an error when an expression is evaluated without an effect.
            (closes #8538)

src/testdir/test_vim9_func.vim

diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 89cdee7..08e68d1 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -2538,7 +2538,7 @@
       set eventignore=
       autocmd QuickFixCmdPost * copen
       def AutocmdsDisabled()
-        eval 0
+        eval 1 + 2
       enddef
       func Func()
         noautocmd call s:AutocmdsDisabled()
@@ -2551,8 +2551,8 @@
 enddef
 
 def StackTop()
-  eval 1
-  eval 2
+  eval 1 + 2
+  eval 2 + 3
   # call not on fourth line
   StackBot()
 enddef