Rollup merge of #90990 - nnethercote:arenas-cleanup, r=oli-obk

Arenas cleanup I was looking closely at the arenas code and here are some small improvement to readability.
2021-11-19 13:06:38 +09:00
parent c74ff8b563 0a89598dbd
commit 1576a7cc81
5 changed files with 80 additions and 71 deletions
--- a/compiler/rustc_ast_lowering/src/lib.rs
+++ b/compiler/rustc_ast_lowering/src/lib.rs
@@ -84,7 +84,7 @@ mod item;
 mod pat;
 mod path;

-rustc_hir::arena_types!(rustc_arena::declare_arena, 'tcx);
+rustc_hir::arena_types!(rustc_arena::declare_arena);

 struct LoweringContext<'a, 'hir: 'a> {
    /// Used to assign IDs to HIR nodes that do not directly correspond to AST nodes.