patch 8.2.3291: Coverity warns for not checking return value
Problem: Coverity warns for not checking return value.
Solution: If dict_add() fails give an error message.
diff --git a/src/testdir/test_lua.vim b/src/testdir/test_lua.vim
index 953e8a9..94e3cec 100644
--- a/src/testdir/test_lua.vim
+++ b/src/testdir/test_lua.vim
@@ -1009,6 +1009,10 @@
call assert_fails('lua vim.g.Var2[3] = 21', 'list is locked')
unlockvar g:Var2
+ let g:TestFunc = function('len')
+ call assert_fails('lua vim.g.func = vim.g.TestFunc', ['E704:', 'Couldn''t add to dictionary'])
+ unlet g:TestFunc
+
" Attempt to access a non-existing global variable
call assert_equal(v:null, luaeval('vim.g.NonExistingVar'))
lua vim.g.NonExisting = Nil