patch 8.2.0167: Coverity warning for ignoring return value
Problem: Coverity warning for ignoring return value.
Solution: Check the return value and jump if failed.
diff --git a/src/testdir/test_vim9_expr.vim b/src/testdir/test_vim9_expr.vim
index ea79c04..321dbf9 100644
--- a/src/testdir/test_vim9_expr.vim
+++ b/src/testdir/test_vim9_expr.vim
@@ -687,6 +687,8 @@
call CheckDefFailure("let x = @", "E1002:")
call CheckDefFailure("let x = @<", "E354:")
+
+ call CheckDefFailure("let x = ¬exist", "E113:")
endfunc
let g:Funcrefs = [function('add')]