RFR: 8294514: Wrong initialization of nmethod::_consts_offset for native nmethods

[Dean Long]

On Thu, 29 Sep 2022 08:16:27 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

> Hi,
> 
> this small fix copies the initialization of `nmethod::_consts_offset` from the nmethod constructor for c1/c2 compiled nmethods to the constructor for native nmethods.
> 
> Manual testing:
> 
> * I built commit 86097e20df0652c2f0c6865f0ec62e7989db45ca and reproduced the issue on x86_64 as described in the JBS-bug
> * Then I build commit 5ce7741ffd9323909b7424255d696525db3d01d2 and found that I could not reproduce the issue. I also verified that on PPC64 the constants section of the continuation enter intrinsic is printed now (-XX:+PrintAssembly).
> 
> The fix passed our CI testing: most JCK and JTREG test, also in Xcomp mode, SPECjvm2008, SPECjbb2015, Renaissance Suite and SAP specific tests with fastdebug and release builds on the standard platforms plus PPC64.
> 
> Thanks, Richard.

Marked as reviewed by dlong (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/10482