[jdk11u-dev] Withdrawn: Allow building with Clang 13

duke duke at openjdk.org
Thu Oct 20 09:59:05 UTC 2022


On Thu, 28 Jul 2022 21:01:32 GMT, Reilly Brogan <duke at openjdk.org> wrote:

> This patch backports changes from JDK14 commit ae5615c6142a4dc0d9033462f4880d7b3c127e26. It does not rename the class to markWord as the original patch does, but instead converts markOop to a markWord equivalent in-place. This patch allows the JDK to be built with Clang 13, as it avoids undefined behavior.
> 
> See the following for more information:
> 
>     https://bugs.openjdk.java.net/browse/JDK-8229258
>     https://bugs.gentoo.org/817995
>     https://mail.openjdk.java.net/pipermail/hotspot-dev/2019-July/038704.html
>     https://mail.openjdk.java.net/pipermail/hotspot-dev/2019-July/038712.html
>     https://reviews.llvm.org/D99790#2678384
> 
> This is a re-do of @Serebit's PR that erroneously targeted the jdk11u repository ([link](https://github.com/openjdk/jdk11u/pull/23)), the only difference is that some errors in the backport were corrected in the `shenandoahForwarding.inline.hpp` file to fix some compilation errors when compiling with `shenandoahgc` enabled.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk11u-dev/pull/1284


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