* the value from GHC, but it seems like too much trouble to do that
* for StgThunkHeader.
*/
-#ifdef SMP
#define SIZEOF_StgThunkHeader SIZEOF_StgHeader+SIZEOF_StgSMPThunkHeader
-#else
-#define SIZEOF_StgThunkHeader SIZEOF_StgHeader
-#endif
#define StgThunk_payload(__ptr__,__ix__) \
W_[__ptr__+SIZEOF_StgThunkHeader+ WDS(__ix__)]