Index: is_member_pointer.hpp
===================================================================
--- is_member_pointer.hpp	(revision 55403)
+++ is_member_pointer.hpp	(working copy)
@@ -50,7 +50,7 @@
 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,::boost::is_member_function_pointer<T>::value)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*,true)
 
-#if !BOOST_WORKAROUND(__MWERKS__,<=0x3003)
+#if !BOOST_WORKAROUND(__MWERKS__,<=0x3003) && !BOOST_WORKAROUND(__IBMCPP__, <=600)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*const,true)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*volatile,true)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*const volatile,true)