[armedbear-devel] Serious bug involving UWP

Steps to reproduce:

* ABCL from svn, updated a few minutes ago.

* Slime from CVS.

* M-x slime-scratch

* Put (defun test (x) ,bar) in the buffer

* Press C-c C-c

You'll see "Evaluation aborted." in the minibuffer even though the debugger should have popped up complaining about comma not being inside backquote.

C-c C-c is SWANK-COMPILE-STRING in swank-abcl.lisp.

If you follow the control flow, you'll see that in SLDB-LOOP (we come here through *DEBUGGER-HOOK*) in swank.lisp,

__the UNWINDED-PROTECT's protected form is *never* executed and it goes straight to the cleanup forms.__

-T.