Rollup of 2 pull requests - #154769

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JonathanBrouwer wants to merge 10 commits into

rust-lang:mainfrom

JonathanBrouwer:rollup-xTEE4P8

Commits on Mar 31, 2026

Remove rustc_on_unimplemented's `append_const_msg`
mejrs
committed
70dd3bc
Refactor `get_standard_error_message`
mejrs
committed
8c04367
Avoid needless clone.
mejrs
committed
b6bdfed

Commits on Apr 1, 2026

Improve shadowed private field diagnostics
chenyukang
committed
62db1eb
extend note for private field to more diagnostics
chenyukang
committed
257d655
extend note for private field to method call
chenyukang
committed
86f99d2

Commits on Apr 2, 2026

Sort shadowed field notes by source order
chenyukang
committed
ce46df2

Commits on Apr 3, 2026