Rollup of 5 pull requests

[matthiaskrgr]

Successful merges:

• Allow more !Copy impls #101875 (Allow more !Copy impls)
• Don't duplicate region names for late-bound regions in print of Binder #101996 (Don't duplicate region names for late-bound regions in print of Binder)
• Add regression test #102181 (Add regression test)
• Allow ~const bounds on non-const functions #102273 (Allow ~const bounds on non-const functions)
• Recover some items that expect braces and don't take semicolons #102286 (Recover some items that expect braces and don't take semicolons)

Failed merges:

• Add a label to struct/enum/union ident name #102314 (Add a label to struct/enum/union ident name)

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