Integrated: 8287834: Add SymbolLookup::or method

[Maurizio Cimadamore]

On Fri, 12 May 2023 12:11:23 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

> This patch adds a simpler method for composing symbol lookups. It is common for clients to chain multiple symbol lookups together, e.g. to find a symbol in multiple libraries.
> 
> A new instance method, namely `SymbolLookup::or` is added, which first searches a symbol in the first lookup, and, if that fails, proceeds to search the symbol in the provided lookup.
> 
> We have considered alternatives to express this, such as a static factory `SymbolLookup::ofComposite` but settled on this because of the similarity with `Optional::or`.

This pull request has now been integrated.

Changeset: 91aeb5de
Author:    Maurizio Cimadamore <mcimadamore at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/91aeb5de580633dfc361957051cd00545aa883c7
Stats:     167 lines in 2 files changed: 167 ins; 0 del; 0 mod

8287834: Add SymbolLookup::or method

Reviewed-by: psandoz

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PR: https://git.openjdk.org/jdk/pull/13954