Fix hip_throw. (#1285)

* Fix hip_throw.

* Fix typo

* No, really fix typo

src/hip_hcc.cpp

@@ -2494,6 +2494,8 @@ namespace hip_impl {
     [[noreturn]]
     void hip_throw(const std::exception& ex) {
         #if defined(__cpp_exceptions)
+            if (auto rte = dynamic_cast<const std::runtime_error*>(&ex)) throw *rte;
+            if (auto lge = dynamic_cast<const std::logic_error*>(&ex)) throw *lge;
             throw ex;
         #else
             std::cerr << ex.what() << std::endl;