Integrated: 8284848: C2: Compiler blackhole arguments should be treated as globally escaping

[Aleksey Shipilev]

On Wed, 13 Apr 2022 17:18:43 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Blackholes should make the arguments to be treated as globally escaping, to match the expected behavior of legacy JMH blackholes. See more discussion in the bug.
> 
> Additional testing:
>  - [x] Linux x86_64 fastdebug `tier1`
>  - [x] Linux x86_64 fastdebug `tier2`
>  - [x] OpenJDK microbenchmark corpus sanity run

This pull request has now been integrated.

Changeset: 5629c755
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/5629c7555f9bb779c57f45dfb071abbb1d87bb7d
Stats:     258 lines in 6 files changed: 258 ins; 0 del; 0 mod

8284848: C2: Compiler blackhole arguments should be treated as globally escaping

Reviewed-by: kvn, thartmann

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PR: https://git.openjdk.java.net/jdk/pull/8228