Forbid the use of #[target_feature] on start

2023-03-02 14:26:12 +01:00
parent db26693982
commit 963305bda8
5 changed files with 39 additions and 0 deletions
--- a/compiler/rustc_hir_analysis/src/lib.rs
+++ b/compiler/rustc_hir_analysis/src/lib.rs
@@ -378,6 +378,13 @@ fn check_start_fn_ty(tcx: TyCtxt<'_>, start_def_id: DefId) {
                            });
                            error = true;
                        }
+                        if attr.has_name(sym::target_feature) {
+                            tcx.sess.emit_err(errors::StartTargetFeature {
+                                span: attr.span,
+                                start: start_span,
+                            });
+                            error = true;
+                        }
                    }

                    if error {