RFR: 8263621: Convert jdk.compiler to use Stream.toList()

[Ian Graves]

On Thu, 22 Apr 2021 14:35:29 GMT, Ian Graves <igraves at openjdk.org> wrote:

> Converting use of `Collectors.toList()` to `Stream.toList()` where appropriate. Per [JDK-8260559](https://bugs.openjdk.java.net/browse/JDK-8260559).

Thanks, all. Not a major change, ran tests last night and it was passing so given two reviewers I'll go ahead and integrate. This one will require a sponsor as I'm not a committer yet. If you want to wait for additional eyes on, that is fine by me too.

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PR: https://git.openjdk.java.net/jdk/pull/3629