git: openjdk/jdk: 8317692: jcmd GC.heap_dump performance regression after JDK-8292818

[David Holmes]

Changeset: 8f5f4407
Author:    Hannes Greule <hgreule at openjdk.org>
Committer: David Holmes <dholmes at openjdk.org>
Date:      2023-10-19 23:24:28 +0000
URL:       https://git.openjdk.org/jdk/commit/8f5f44070a7c6dbbbd1005f9d0af5ab7c35179df

8317692: jcmd GC.heap_dump performance regression after JDK-8292818

Reviewed-by: amenkov, fparain

! src/hotspot/share/oops/fieldStreams.hpp
! src/hotspot/share/services/heapDumper.cpp
+ test/hotspot/jtreg/serviceability/HeapDump/FieldsInInstanceTest.java