Re: error: logical && with non-zero constant will always evaluate as true

[Jeff Morriss <jeff.morriss.ws () gmail com>]

Jeff Morriss wrote:
> My (Fedora 10) gcc 4.3.2 was also generating this warning; it would seem 
> that a fair spread of gcc versions seem to have the problem.
>
> I added a configure check to stop using -Wlogical-op if the compiler is 
> generating this warning in r46916.

Interestingly the Ubuntu buildbot says it would also get the warning:

> checking whether we can add -Wlogical-op to CFLAGS... yes
> checking whether -Wlogical-op generates warnings from strchr()... yes

but it was not getting the error before.

I wonder if the use of ccache on the bot was having some effect?  Or 
something else?
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