Wno-error=format-overflow needed onnewer gccs

[Andrew Hughes]

On 16:07 Fri 25 Jun     , Jiri Vanek wrote:
> Here you go:
> https://bugs.openjdk.java.net/browse/JDK-8269388
> 
> I'm not sure how to set it to jdk8
>

Seeing a build failure with this on older GCCs:

https://bugs.openjdk.java.net/browse/JDK-8269468

-Wformat-overflow seems to have only been introduced in GCC 7.

Testing a fix now, which we'll need to approve to unbreak the build.

Thanks,
-- 
Andrew :)
Pronouns: he / him or they / them
Senior Free Java Software Engineer
OpenJDK Package Owner
Red Hat, Inc. (http://www.redhat.com)

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