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Another interal change that shouldn't impact rustc users. To prepare for the upcoming split of visit_type, we reorganise the instances of `cx.tcx.try_normalize_erasing_regions(cx.typing_env(), ty).unwrap_or(ty)` into a helper function outside of the main structs.
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Another interal change that shouldn't impact rustc users. The goal is to break apart the gigantic visit_type function into more managable and easily-editable bits that focus on specific parts of FFI safety. In particular, all matters linked to indirections (RawPtr,Ref,boxes) are grouped in a single function.
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This is "part 2/3 of 2/3 of 1/2" of the original pull request #134697 (refactor plus overhaul of the ImproperCTypes family of lints)
(all pulls of this series of pulls are supersets of the previous pulls.)
previous pull: #155358
next pull: #146273
This commit splits the lint's
visit_typefunction into multiple functions that focus on specific things:charunsafe are here)since, during these visits, we often move from an "outer type" to an "inner type" (structs, arrays, pointers, etc...),
two structs have been added to track the current state of a visit:
r? petrochenkov (because you asked me to)