RFR: JDK-8173605: Remove support for source and target 1.7 option in javac

[Joe Darcy]

On Wed, 31 Aug 2022 17:13:04 GMT, Vicente Romero <vromero at openjdk.org> wrote:

> the PR looks good to me. You have mentioned that further refactorings could be done later on, I agree but you are already removing a lot of code, although that could have been forced to make some tests pass. I would recommend removing some support for 7 at `com.sun.tools.javac.comp.Infer` particularly the one guarded by `allowGraphInference`. I can also help with that later on if you prefer. If so please assign a follow-up for this issue to myself

Thanks Vicente; I assigned

    JDK-8293051: Further refactor javac after removal of -source/-target/--release 7

to you.

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PR: https://git.openjdk.org/jdk/pull/10074