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| author | SparrowLii <liyuan179@huawei.com> | 2023-07-19 16:48:33 +0800 |
|---|---|---|
| committer | SparrowLii <liyuan179@huawei.com> | 2023-07-19 16:48:33 +0800 |
| commit | 0377945157da71c05ba52edca2de6f071212338c (patch) | |
| tree | 8bc341ddba3cf9559b2fce69b4aa9c6c7c562b5c | |
| parent | c6f0a7c3c3070f90a9e9dcc3e5a91d1183afc978 (diff) | |
| download | rust-0377945157da71c05ba52edca2de6f071212338c.tar.gz rust-0377945157da71c05ba52edca2de6f071212338c.zip | |
add comment for lower_use_tree
Signed-off-by: SparrowLii <liyuan179@huawei.com>
| -rw-r--r-- | compiler/rustc_ast_lowering/src/item.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index d3fc76db1fa..2f58f566c81 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -559,6 +559,9 @@ impl<'hir> LoweringContext<'_, 'hir> { self.with_hir_id_owner(id, |this| { let mut ident = *ident; + // `prefix` is lowered multiple times, but in different HIR owners. + // So each segment gets renewed `HirId` with the same + // `ItemLocalId` and the new owner. (See `lower_node_id`) let kind = this.lower_use_tree(use_tree, &prefix, id, vis_span, &mut ident, attrs); if let Some(attrs) = attrs { |