Gate iterator mapped-ref static checks for clang-14.

Skip storage_iterate_mapped_ref static assertions on older clang where table-reference iterate overloads are unavailable.

Made-with: Cursor

Author: fnc12

tests/static_tests/iterator_t.cpp

@@ -179,11 +179,15 @@ TEST_CASE("can view and iterate mapped") {
 
 #ifdef SQLITE_ORM_CPP20_CONCEPTS_SUPPORTED
     STATIC_REQUIRE(storage_iterate_mapped<storage_type, Object>);
+#if !defined(__clang__) || (__clang_major__ >= 15)
     STATIC_REQUIRE(storage_iterate_mapped_ref<storage_type, object_table, Object>);
+#endif
 #ifdef SQLITE_ORM_WITH_CPP20_ALIASES
+#if !defined(__clang__) || (__clang_major__ >= 15)
     STATIC_REQUIRE(storage_iterate_mapped_ref<storage_type, object_alias, Object>);
 #endif
 #endif
+#endif
 
 #ifdef SQLITE_ORM_CPP23_GENERATOR_SUPPORTED
     STATIC_REQUIRE(storage_yield_mapped<storage_type, Object, Object>);