[jdk11u-dev] RFR: 8287425: Remove unnecessary register push for MacroAssembler::check_klass_subtype_slow_path

[Paul Hohensee]

On Wed, 16 Nov 2022 16:50:10 GMT, Johannes Bechberger <duke at openjdk.org> wrote:

> Removes an unnecessary register push which currently makes stack walking impossible for async-profiler.

This is a clean backport from 17u, so lgtm on the actual patch, other than the jcheck failure (you're got extra whitespace somewhere). But, as the bot says, a description is needed, and also a test report. The 17u backport passed tier1 and tier2 on x86 and aarch64.

-------------

PR: https://git.openjdk.org/jdk11u-dev/pull/1524