debug constant data evaluation spaces -> read from rdi data directly

src/eval/eval_core.h

@@ -136,6 +136,7 @@ enum
   E_SpaceKind_File,
   E_SpaceKind_FileSystem,
   E_SpaceKind_HashStoreKey,
+  E_SpaceKind_DebugConstantData,
   E_SpaceKind_FirstUserDefined,
 };