Hi! Unfortunately, the problem still seems to be there. I tried this on latest trunk (as of yesterday) with the patch applied and I still get an error when I do C-u C-M-x on the code I originally supplied. -- Anders On Fri, Dec 20, 2013 at 1:01 AM, Katsumi Yamaoka wrote: > Anders Lindgren wrote: > > The construct 'eval-when-compile' seems to throw debug off. When > > pressing C-u C-M-x on the following, an error is issued. This worked > > correctly in 24.3. This makes it hard to use edebug on functions in > > cc-mode (like c-font-lock-declarations), as it makes heavy use of > > eval-when-compile. > > > (defun test (limit) > > (eval-when-compile > > (boundp 'parse-sexp-lookup-properties))) > > I'm not sure of it but the patch below seems to solve it. > This works for the bug#14646 case[1], too. WDYT? > > [1] > >