Auto merge of #143460 - JonathanBrouwer:cfg_parser, r=jdonszelmann

Port `#[cfg]` to the new attribute parsing infrastructure

Ports `#[cfg]` to the new attribute parsing infrastructure for https://github.com/rust-lang/rust/issues/131229#issuecomment-2971353197

I've split this PR into commits for reviewability, and left some comments to clarify things

1 files changed, 7 insertions, 2 deletions

diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs
index 348fe2ee40a..1c96a375035 100644
--- a/compiler/rustc_ast_lowering/src/lib.rs
+++ b/compiler/rustc_ast_lowering/src/lib.rs
@@ -42,7 +42,7 @@ use std::sync::Arc;
 
 use rustc_ast::node_id::NodeMap;
 use rustc_ast::{self as ast, *};
-use rustc_attr_parsing::{AttributeParser, OmitDoc};
+use rustc_attr_parsing::{AttributeParser, Late, OmitDoc};
 use rustc_data_structures::fingerprint::Fingerprint;
 use rustc_data_structures::sorted_map::SortedMap;
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
@@ -192,7 +192,12 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
             // interact with `gen`/`async gen` blocks
             allow_async_iterator: [sym::gen_future, sym::async_iterator].into(),
 
-            attribute_parser: AttributeParser::new(tcx.sess, tcx.features(), registered_tools),
+            attribute_parser: AttributeParser::new(
+                tcx.sess,
+                tcx.features(),
+                registered_tools,
+                Late,
+            ),
             delayed_lints: Vec::new(),
         }
     }