RFR: 8267531: [x86] Assembler::andb(Address, Register) encoding is incorrect

Fri May 21 15:36:00 UTC 2021

On Fri, 21 May 2021 12:49:10 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> See the bug report to see the way we arrived here. I looked through the [breakage changeset](https://github.com/openjdk/jdk/commit/de784312c340b4a4f4c4d11854bfbe9e9e826ea3), and I think that is the only "*b" case that is missing.
> 
> Attention @JohnTortugo.
> 
> Additional testing:
>  - [x] Failing fuzzer test (now passes)
>  - [x] Linux x86_64 fastdebug `tier1`

Is it possible to add a jtreg test for this fix?
Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/4145