RFR: 8294053: Unneeded local variable in handle_safefetch()

[Fredrik Bredberg]

On Wed, 21 Sep 2022 10:11:55 GMT, Fredrik Bredberg <duke at openjdk.org> wrote:

> The input argument "pc" is shadowed by a local variable with the same type and name, and is initialized to the same value as is passed into the handle_safefetch() function by its callers. The local "pc" variable can therefore be removed from handle_safefetch().
> 
> Tested tier1, tier2 and  tier3 without any new problems.

Thank you for the review comments and "providing the bigger picture".

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PR: https://git.openjdk.org/jdk/pull/10373