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WIP(Not Ready For Review): feat(hints): support minimum optimization levels - #17368

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WIP(Not Ready For Review): feat(hints): support minimum optimization levels#17368
0xPoe wants to merge 1 commit into
rust-lang:masterfrom
0xPoe:hint-min-opt-level

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@0xPoe 0xPoe commented Aug 16, 2026

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What does this PR try to resolve?

ref #17334

This PR would allow Rust library to provide a simple hint about the minimum opt-level to build them with via the hint.min-opt-level setting in the manifest.

How to test and review this PR?

Check the unit tests and review it commit by commit.

r?@ghost

Record the current ignored-hint behavior across
the RFC precedence, scope, validation, and boundary cases.

Signed-off-by: 0xPoe <poe.liu@pm.me>
@0xPoe 0xPoe changed the title feat(hints): support minimum optimization levels WIP: feat(hints): support minimum optimization levels Aug 16, 2026
@0xPoe 0xPoe changed the title WIP: feat(hints): support minimum optimization levels WIP(Not Ready For Review): feat(hints): support minimum optimization levels Aug 16, 2026
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