RFR: 8253923: C2 doesn't always run loop opts for compilations that include loops

[Roland Westrelin]

On Sun, 4 Oct 2020 20:22:26 GMT, Nils Eliasson <neliasso at openjdk.org> wrote:

>> 8253923: C2 doesn't always run loop opts for compilations that include loops
>
> Thanks for fixing!
> 
> Extra credit for the verification that will catch this problem type in the future.
> 
> Reviewed.

Hi Nils,

> Reviewed.

Thanks for reviewing. I actually made this a draft PR because I realized when I created it that there was a simple fix
(which is to set the has_loops flag when parsing of a method starts). Can you take a look at the new change?

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PR: https://git.openjdk.java.net/jdk/pull/478