Reject auto traits with super trait

Reject auto traits containing a super trait bound during AST validation pass. gcc/rust/ChangeLog: * checks/errors/rust-ast-validation.cc (ASTValidation::visit): Reject auto traits with super traits. Signed-off-by: Pierre-Emmanuel Patry <[email protected]>
Rust-GCC · Nov 21, 2023 · e361ece · e361ece
1 parent c500e77
commit e361ece
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/gcc/rust/checks/errors/rust-ast-validation.cc b/gcc/rust/checks/errors/rust-ast-validation.cc
@@ -105,6 +105,10 @@ ASTValidation::visit (AST::Trait &trait)
 	rust_error_at (trait.get_generic_params ()[0]->get_locus (),
 		       ErrorCode::E0567,
 		       "auto traits cannot have generic parameters");
+      if (trait.has_type_param_bounds ())
+	rust_error_at (trait.get_type_param_bounds ()[0]->get_locus (),
+		       ErrorCode::E0568,
+		       "auto traits cannot have super traits");
     }
 
   AST::ContextualASTVisitor::visit (trait);