Re: c/9072: -Wconversion should be split into two distinct flags

[Zack Weinberg <zack@codesourcery.com>]

The following reply was made to PR c/9072; it has been noted by GNATS.

From: Zack Weinberg <zack@codesourcery.com>
To: Segher Boessenkool <segher@koffie.nl>
Cc: 128950@bugs.debian.org,  gcc-patches@gcc.gnu.org, 
 gcc-gnats@gcc.gnu.org,
	  debian-gcc@lists.debian.org
Subject: Re: c/9072: -Wconversion should be split into two distinct flags
Date: Sun, 29 Dec 2002 01:05:43 -0800

 Segher Boessenkool <segher@koffie.nl> writes:
 > Zack Weinberg wrote:
 >> 
 >> I'm very much in favor of making -Wconversion more useful, but is
 >> there any reason not to shift the argument-type-conversion warnings
 >> entirely over to -Wtraditional?  Particularly if the warning is
 >> avoided for prototypes in system headers (so that 'sinf' and the like
 >> raise no complaints) -- this would, for instance, catch the occasional
 >> problem we have with arguments of type 'bool' in GCC itself.
 >> 
 >> Then -Wconversion would be entirely for dubious type conversions on
 >> assignment.
 >
 > This is the intended behaviour of my patch, modulo in my opinion passing
 > a "too wide" argument to a function is a dubious assignment, too.
 
 I may have misunderstood the effect of your patch - it seemed like you
 would need to give both -Wconversion and -Wtraditional to get the
 argument-type conversion warnings.  I was suggesting that this should
 happen with just -Wtraditional.
 
 zw