[lworld] RFR: 8367415: Fully encapsulate array allocation in oopFactory

[Frederic Parain]

On Fri, 19 Sep 2025 14:32:56 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This makes oopFactory and deoptimization the only friends of private ArrayKlass::allocate_instance.  This is similar to the PR https://github.com/openjdk/jdk/pull/27372 in mainline with some extra handling for new_refArray (rather than calling RefArrayKlass::allocate_instance() directly.
> Tested with tier1-4.

src/hotspot/share/oops/objArrayKlass.hpp line 95:

> 93:                                                 int n, Klass* element_klass, TRAPS);
> 94: 
> 95:  public:

Is this needed? There's already one at line 60.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1602#discussion_r2369978678