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Re: Type-error in C code

From: Andreas Schwab
Subject: Re: Type-error in C code
Date: Mon, 15 Nov 2010 22:19:30 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2.90 (gnu/linux)

Stefan Monnier <address@hidden> writes:

>>> The error is to put an "Atom" into a cons cell: those can only hold
>>> Lisp_Objects.  The usual compilation flags won't catch the error because
>>> both types are actually some kind of integer, but if you
>>> compile --enable-use-lisp-union-type, the C compiler will
>>> dutyfully burp.
>> I think we should remove the union Lisp_Object, and instead define a
>> struct Lisp_Object { EMACS_INT i; } (reusing the macros of the non-union
>> type), and make that the default Lisp_Object at least during
>> development.
> Not sure what we be the benefit.

Let the compiler burp.


Andreas Schwab, address@hidden
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