Re: Floating-point constant folding in Emacs byte compiler

[Pip Cet]

On Mon, Apr 2, 2018 at 2:50 PM, Stefan Monnier <address@hidden> wrote:
>> reproducible.  To do that, right now, I redefine EQ to be true for
>> same-value floats.
>
> So you redefine EQ to mean EQL?  That should work.

It does! I can now produce the same lisp/ directory as standard Emacs
+ EQ=EQL + CANNOT_DUMP=yes (however, even vanilla Emacs will produce
different lisp/ directories with and without CANNOT_DUMP=yes. One
instance is cus-load.el, which includes entries for preloaded files
when CANNOT_DUMP=yes, which is arguably a feature; I'm looking at the
other differences).

I redefined the C EQ macro, not (just) Feq.