Integrated: 8282662: Use List.of() factory method to reduce memory consumption

[Сергей Цыпанов]

On Mon, 7 Mar 2022 15:11:50 GMT, Сергей Цыпанов <duke at openjdk.java.net> wrote:

> `List.of()` along with `Set.of()` create unmodifiable `List/Set` but with smaller footprint comparing to `Arrays.asList()` / `new HashSet()` when called with vararg of size 0, 1, 2.
> 
> In general replacement of `Arrays.asList()` with `List.of()` is dubious as the latter is null-hostile, however in some cases we are sure that arguments are non-null. Into this PR I've included the following cases (in addition to those where the argument is proved to be non-null at compile-time):
> - `MethodHandles.longestParameterList()` never returns null
> - parameter types are never null
> - interfaces used for proxy construction and returned from `Class.getInterfaces()` are never null
> - exceptions types of method signature are never null

This pull request has now been integrated.

Changeset: 168b226b
Author:    Sergey Tsypanov <sergei.tsypanov at yandex.ru>
Committer: Roger Riggs <rriggs at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/168b226b0f7a3b067bf11616e5a92908f63be450
Stats:     12 lines in 4 files changed: 1 ins; 2 del; 9 mod

8282662: Use List.of() factory method to reduce memory consumption

Reviewed-by: redestad, rriggs

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PR: https://git.openjdk.java.net/jdk/pull/7729