Rollup of 9 pull requests

[jhpratt]

Successful merges:

• When encountering unexpected closure return type, point at return type/expression #132156 (When encountering unexpected closure return type, point at return type/expression)
• Autodiff Upstreaming - rustc_codegen_ssa, rustc_middle #133429 (Autodiff Upstreaming - rustc_codegen_ssa, rustc_middle)
• rustc_hir_analysis cleanups #136281 (rustc_hir_analysis cleanups)
• Fix a typo in profile-guided-optimization.md #136297 (Fix a typo in profile-guided-optimization.md)
• atomic: extend compare_and_swap migration docs #136300 (atomic: extend compare_and_swap migration docs)
• normalize *.long-type.txt paths for compare-mode tests #136310 (normalize *.long-type.txt paths for compare-mode tests)
• Disable overflow_delimited_expr in edition 2024 #136312 (Disable overflow_delimited_expr in edition 2024)
• Filter out RPITITs when suggesting unconstrained assoc type on too many generics #136313 (Filter out RPITITs when suggesting unconstrained assoc type on too many generics)
• Fix a typo in conventions.md #136323 (Fix a typo in conventions.md)

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