expand: Leave traces when expanding cfg_attr attributes

2025-03-14 20:34:43 +03:00 · 2025-03-14 20:34:43 +03:00 · 9dd4e4cad1
commit 9dd4e4cad1
parent 9bad8ac498
10 changed files with 136 additions and 19 deletions
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@ -591,6 +591,7 @@ symbols! {
        cfg_accessible,
        cfg_attr,
        cfg_attr_multi,
+        cfg_attr_trace: "<cfg_attr>", // must not be a valid identifier
        cfg_boolean_literals,
        cfg_contract_checks,
        cfg_doctest,