RFR: 8304893: Link Time Optimization with gcc can be faster [v3]

[Julian Waters]

On Thu, 30 Mar 2023 23:26:17 GMT, Julian Waters <jwaters at openjdk.org> wrote:

>> It may make sense to have the `-O*` argument to the linker match what we do for compilation. I'm not sure how related they are.
>
> Good catch, thanks. Will also add this flag to the opt-size option so it can override what link-time-opt has set

I stand corrected, it was not actually needed for opt-size

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PR Review Comment: https://git.openjdk.org/jdk/pull/13180#discussion_r1153883566