RFR: 8332676: Remove unused BarrierSetAssembler::incr_allocated_bytes

[Thomas Schatzl]

On Wed, 22 May 2024 09:23:46 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Trivial removing dead code.

I think `Thread::allocated_bytes_offset()` can now also removed.

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Changes requested by tschatzl (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/19345#pullrequestreview-2070812814