diff options
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/codegen_attrs.rs')
| -rw-r--r-- | compiler/rustc_codegen_ssa/src/codegen_attrs.rs | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs index 92792ab6477..f6936c80b77 100644 --- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs +++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs @@ -215,14 +215,19 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: LocalDefId) -> CodegenFnAttrs { } sym::thread_local => codegen_fn_attrs.flags |= CodegenFnAttrFlags::THREAD_LOCAL, sym::track_caller => { - if !tcx.is_closure(did.to_def_id()) + let is_closure = tcx.is_closure(did.to_def_id()); + + if !is_closure && let Some(fn_sig) = fn_sig() && fn_sig.skip_binder().abi() != abi::Abi::Rust { struct_span_err!(tcx.sess, attr.span, E0737, "`#[track_caller]` requires Rust ABI") .emit(); } - if tcx.is_closure(did.to_def_id()) && !tcx.features().closure_track_caller { + if is_closure + && !tcx.features().closure_track_caller + && !attr.span.allows_unstable(sym::closure_track_caller) + { feature_err( &tcx.sess.parse_sess, sym::closure_track_caller, |