RFR: JDK-8196985: Disable new warnings from GCC 7.3 in jdk libraries

Thu Feb 8 11:06:30 UTC 2018

Looks good to me. 

/Magnus

> 7 feb. 2018 kl. 23:33 skrev Erik Joelsson <erik.joelsson at oracle.com>:
> 
> When building the jdk with GCC 7.3, a bunch of new warnings are triggered. These include:
> 
> * implicit-fallthrough
> * shift-negative-value
> * misleading-indentation
> * maybe-uninitialized
> 
> I won't attempt to fix any of these at this point, but rather just disable the warnings. I have created followup issues (or added to existing ones where applicable) for each library/executable where warnings need to be evaluated.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8196985
> 
> Webrev: http://cr.openjdk.java.net/~erikj/8196985/webrev.01/
> 
> /Erik
> 