bug#12685: 24.2; lexical binding breaks edebug conditional breakpoints

[Stefan Monnier]

> 4. Evaluate lexical variable from within edebug: "M-: arg <ret>"
> -> backtrace buffer with "Debugger entered--Lisp error: (void-variable arg)"

That's because you use M-:.  If you want to run your code within the
context of the debugged program, you need to use `e'.

> 3'. Create conditional breakpoint in `test': "C-x X x (null arg) <ret>"
> 4'. Evaluate `test': "M-: (test 3)"
> -> message "Symbol's value as variable is void: arg"

Aha, that OTOH should work, indeed.  I'll get back to you when I fix it,


        Stefan