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Re: Help! Regarding Bug 17896


On 26 January 2016 at 00:45, Prasad Ghangal <prasad.ghangal@gmail.com> wrote:
> Hi!
>
> I would like to solve "Bug 17896 - The expression (a>0 & b>0) should
> give clearer warning message (-Wparentheses)"
> (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17896) but I am new to
> gcc internals.
>
> Can someone please guide me how to do it?
You would perhaps need to modify c-common.c:warn_about_parentheses ().
my untested patch gives:
f.c: In function âmainâ:
f.c:5:13: warning: suggest && instead of & [-Wparentheses]
   if (a > b & a > c)
                ^
You will probably need to extend along similar lines.

Thanks,
Prathamesh
>
> --
> Thanks and Regards,
> Prasad Ghangal

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