> While `SymbolLookup` correctly uses an `Optional` return to denote whether a 
> symbol has been found by the lookup or not (which enables composition of 
> symbol lookups), many clients end up just calling `Optional::get`, or 
> `Optional::orElseThrow()` on the result.
> 
> This PR proposes to add a convenience method `SymbolLookup::findOrThrow` that 
> will do a lookup and, if no symbol can be found, throws an 
> `IllegalArgumentException` with a relevant exception message.

Per Minborg has updated the pull request incrementally with one additional 
commit since the last revision:

  Update src/java.base/share/classes/java/lang/foreign/package-info.java
  
  Co-authored-by: Jorn Vernee <jornver...@users.noreply.github.com>

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/18474/files
  - new: https://git.openjdk.org/jdk/pull/18474/files/fa86d837..2ebac9fc

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18474&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18474&range=03-04

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/18474.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18474/head:pull/18474

PR: https://git.openjdk.org/jdk/pull/18474

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