Remove support for `extern "rust-intrinsic"` blocks Part of rust-lang/rust#132735 Looked manageable and there didn't appear to have been progress in the last two weeks, so decided to give it a try.
extern "rust-intrinsic"
Map
TyCtxt
slice::contains
to_string
{ast,hir,thir}::PatKind::Missing
ast::Item::ident
ast::ItemKind
Ty