[8u] 8062808: Turn on the -Wreturn-type warning

[Andrew John Hughes]

On 28/08/2019 22:00, Liu, Xin wrote:
> Hi,
> 
> 
> I'd like to backport JDK-8062808.  Enabling -Wreturn-type helps us to catch undefined code.  Could you review it and update label in that issue?
> 
> webrev: https://cr.openjdk.java.net/~xliu/8062808/webrev/
> 
> 
> It's almost a clean patch. One single difference is that original patch doesn't include perfData.hpp. It has been changed in JDK-8064811. When we backported JDK-8064811 to jdk8u, I think we drop it by mistake.
> 
> 
> I have verified it using the jdk8u repo. Both fastdebug and slowdebug work as expected.
> 
> 
> thanks,
> 
> --lx
> 

I already have a backport of this, which I intend to post once
JDK-8141570 is in; see [0]. Doing this beforehand will break the Zero build.

[0]
https://mail.openjdk.java.net/pipermail/jdk8u-dev/2019-August/010100.html

Thanks,
-- 
Andrew :)

Senior Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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