RFR: 8260256: Leftover Thread uses after JDK-8223657

[David Holmes]

On Thu, 21 Jan 2021 19:00:16 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> JDK-8223657 cleaned up Thread arguments in SymbolTable, but there are some leftovers. Notably, SonarCloud reports that SymbolTableLookup::_thread is not initialized. I looked for `Thread` usages in `symbolTable.cpp`, and it seems only these two are missing. Maybe @coleenp can spot even more omissions somewhere.

LGTM.

Thanks,
David

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Marked as reviewed by dholmes (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2188