[patch]: Fix bootstrap/PR 25502: I64d format Werror problem in build

[Aaron W. LaFramboise]

Danny Smith wrote:
> On Tue, Sep 9, 2008 at 11:16 AM, Aaron W. LaFramboise
> <aaronavay62@aaronwl.com> wrote:
>> Joseph S. Myers wrote:
>>
>>> The C front-end change is OK, but the rest will need MinGW maintainer
>>> review and the MinGW maintainers will need to judge its suitability for
>>> Stage 3.
>> I recommend Danny approve this for stage 3 because this is one of the last
>> things preventing --enable-werror builds from working, which is a valuable
>> feature.  It's also a bug, PR25502.
>>
> 
> I really think that this is bit of an overkill and would prefer a more
> generic solution, eg fixing the bug
> "please provide a way to treat -pedantic as warning when using -Werror"
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37187
> or even including as part of  -fms-extensions
> 
> In other words,  I am a bit concerned about adding YA MS-specific
> feature at stage 3, just to allow --enable-werror builds.

This is an important flag for most any Windows code, that will need to 
use the 64-bit formatter, but where the developers would also desire to 
compile with -pedantic and be warning clean, which I think is an 
extremely reasonable request.  Without this, -pedantic -Werror is not 
reasonably usable in Windows code that needs to print 64-bit integers.

Do you think this is sufficiently risky that it should be delayed to 
4.5?  Or would you prefer it be rolled into -fms-extensions?