Remove some compiling warning, please check it

[Andrew Haley]

On 6/30/21 2:43 PM, 柳鲲鹏 wrote:
> Hello all:
>   I compile OpenJDK8 many times. I found some commen errors would be warned.
> the attach files is modified. Please check it.
For this to work, please

1. Tell us what the warnings were, and when it happened.

2. Send your changes in the form of a diff, generated by "hg diff" on the
checked-out source code. Thanks.

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
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