Rollup of 10 pull requests

[matthiaskrgr]

Successful merges:

• Implement MaybeUninit::fill{,_with,_from} #121280 (Implement MaybeUninit::fill{,_with,_from})
• std support for wasm32 panic=unwind #121438 (std support for wasm32 panic=unwind)
• Hint user to update nightly on ICEs produced from outdated nightly #121658 (Hint user to update nightly on ICEs produced from outdated nightly)
• Removing absolute path in proc-macro #121959 (Removing absolute path in proc-macro)
• add test for #78894 #71450 #121961 (add test for Incorrect unused_import lint firing for a function-local macro_rules! #78894 False positive unused_import warning on std::string::String #71450)
• hir_analysis: enums return None in find_field #121975 (hir_analysis: enums return None in find_field)
• Fix duplicated path in the "not found dylib" error #121978 (Fix duplicated path in the "not found dylib" error)
• Merge impl_trait_in_assoc_types_defined_by query back into opaque_types_defined_by #121991 (Merge impl_trait_in_assoc_types_defined_by query back into opaque_types_defined_by)
• will_wake tests fail on Miri and that is expected #122016 (will_wake tests fail on Miri and that is expected)
• only set noalias on Box with the global allocator #122018 (only set noalias on Box with the global allocator)

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