RFR: 8258059: Clean up MethodData::profile_unsafe

[Chris Hegarty]

On Thu, 10 Dec 2020 18:30:34 GMT, Claes Redestad <redestad at openjdk.org> wrote:

> Following up on comments to #1733 
> 
> - Simplify by using Symbol::starts_with
> - Bytecode_invoke methods are not inlineable, so locals avoid redundant calls

Marked as reviewed by chegar (Reviewer).

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

PR: https://git.openjdk.java.net/jdk/pull/1740