diff options
Diffstat (limited to 'compiler/rustc_passes/src/check_attr.rs')
| -rw-r--r-- | compiler/rustc_passes/src/check_attr.rs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index a5d2ad4dc20..e5d918b8b96 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -35,7 +35,7 @@ use rustc_session::lint::builtin::{ UNKNOWN_OR_MALFORMED_DIAGNOSTIC_ATTRIBUTES, UNUSED_ATTRIBUTES, }; use rustc_session::parse::feature_err; -use rustc_span::{BytePos, DUMMY_SP, Span, Symbol, edition, sym}; +use rustc_span::{BytePos, DUMMY_SP, Span, Symbol, edition, kw, sym}; use rustc_trait_selection::error_reporting::InferCtxtErrorExt; use rustc_trait_selection::infer::{TyCtxtInferExt, ValuePairs}; use rustc_trait_selection::traits::ObligationCtxt; @@ -724,7 +724,10 @@ impl<'tcx> CheckAttrVisitor<'tcx> { && !matches!(other_attr.path().as_slice(), [sym::rustfmt, ..]) { let path = other_attr.path(); - let path: Vec<_> = path.iter().map(|s| s.as_str()).collect(); + let path: Vec<_> = path + .iter() + .map(|s| if *s == kw::PathRoot { "" } else { s.as_str() }) + .collect(); let other_attr_name = path.join("::"); self.dcx().emit_err(errors::NakedFunctionIncompatibleAttribute { |