Integrated: 8305093: Linker cache should not take layout names into account

[Jorn Vernee]

On Thu, 20 Apr 2023 17:23:08 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

> Strip names from the function descriptors used in linkage requests. The names are not important for classification, and this will allow the cached MethodHandle/UpcallStubFactory to be shared across linkage request with the same structure, but with layouts that have different names.
> 
> I also have another implementation that avoids copying all the layouts, and instead re-implemented equals and hashCode in the LinkRequest wrapper: https://github.com/openjdk/jdk/compare/pr/13079...JornVernee:jdk:NoNameCache But, this seems too complex. Linking code is not very performance sensitive, so I instead went with a simpler approach in this patch.

This pull request has now been integrated.

Changeset: 67dd8414
Author:    Jorn Vernee <jvernee at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/67dd8414321677e3fc41fa1470c857c0afaa4259
Stats:     91 lines in 2 files changed: 86 ins; 1 del; 4 mod

8305093: Linker cache should not take layout names into account

Reviewed-by: mcimadamore

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PR: https://git.openjdk.org/jdk/pull/13562