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Hir `Param` refactor - #163758

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JonathanBrouwer wants to merge 12 commits into

rust-lang:mainfrom

JonathanBrouwer:param

Commits on Oct 9, 2026
- Move `hir::Param`s from `Body` of functions to `FnDecl`.
  JonathanBrouwer
  committed
  5231f19
- Remove `Param::ty_span` field
  JonathanBrouwer
  committed
  6fa06b0
- Simplify pretty printing of parameters
  JonathanBrouwer
  committed
  0b50324
- Simplify cleaning of parameters in rustdoc
  JonathanBrouwer
  committed
  3578565
- Remove the now unused `FnPtrTy::param_idents`
  JonathanBrouwer
  committed
  1508014
- Simplify parameter span in `virtual_call_violations_for_method`
  JonathanBrouwer
  committed
  a00a609
- Remove now unreachable branches in `fn_arg_idents`
  JonathanBrouwer
  committed
  4b86f0b
- Simplify `get_hir_param_info`
  JonathanBrouwer
  committed
  d35171c
- Remove idents argument from `TraitFn::Required`
  JonathanBrouwer
  committed
  3bd4d76
- Remove idents argument from `ForeignItemKind::Fn`
  JonathanBrouwer
  committed
  6669a76
- Move `fn_has_body` to `FnDeclFlags`
  JonathanBrouwer
  committed
  ffe78bb
- Specialize `lower_body` into `lower_body_with_params`
  JonathanBrouwer
  committed
  e21450a