bug#31118: 27.0.50; Can't load/compile websocket in 32bit master

[Stefan Monnier <monnier@IRO.UMontreal.CA>]

> Something like the attached patch, perhaps?

That might be good enough.


        Stefan


> From eb2fa1a00c5c85aced40900b59183dc03d822958 Mon Sep 17 00:00:00 2001
> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Tue, 17 Apr 2018 16:52:04 -0700
> Subject: [PATCH] Tell user about read-integer-overflow-as-float
>
> * src/lread.c (string_to_number): Suggest
> read-integer-overflow-as-float in signal message.
> Suggested by Stefan Monnier (Bug#31118#58).
> ---
>  src/lread.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/src/lread.c b/src/lread.c
> index 6eda740540..16e34aff0c 100644
> --- a/src/lread.c
> +++ b/src/lread.c
> @@ -3797,7 +3797,12 @@ string_to_number (char const *string, int base, int flags)
>  	value = n;
>  
>        if (! (state & DOT_CHAR) && ! (flags & S2N_OVERFLOW_TO_FLOAT))
> -	xsignal1 (Qoverflow_error, build_string (string));
> +	{
> +	  AUTO_STRING (fmt, ("%s is out of fixnum range; "
> +			     "maybe set `read-integer-overflow-as-float'?"));
> +	  xsignal1 (Qoverflow_error,
> +		    CALLN (Fformat_message, fmt, build_string (string)));
> +	}
>      }
>  
>    /* Either the number uses float syntax, or it does not fit into a fixnum.