bug#12124: 24.1.50; warning pollution

[Stefan Monnier]

> Why instead of keeping old definitions of labels and flet don't we use
> aliases for cl-flet/labels (among others)?

Because they do not do the same (almost, but not quite).

> It would also fix a problem of compatibility of compiled files between
> 24.1 and 24.2.(All files containing flet or labels need recompilation).

That's news to me: these macros should return code that's independent
from CL, so they should not require recompilation.
Please report with details.


        Stefan