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-rw-r--r--gcc/rust/typecheck/rust-hir-type-check-type.cc5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/rust/typecheck/rust-hir-type-check-type.cc b/gcc/rust/typecheck/rust-hir-type-check-type.cc
index 2962674..d2758a5 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-type.cc
+++ b/gcc/rust/typecheck/rust-hir-type-check-type.cc
@@ -757,6 +757,11 @@ TypeCheckType::visit (HIR::TraitObjectType &type)
std::vector<TyTy::TypeBoundPredicate> specified_bounds;
for (auto &bound : type.get_type_param_bounds ())
{
+ // TODO: here we need to check if there are additional bounds that aren't
+ // auto traits. this is an error. for example, `dyn A + Sized + Sync` is
+ // okay, because Sized and Sync are both auto traits but `dyn A + Copy +
+ // Clone` is not okay and should error out.
+
if (bound->get_bound_type ()
!= HIR::TypeParamBound::BoundType::TRAITBOUND)
continue;