--- a/hotspot/src/share/vm/gc_implementation/parNew/parCardTableModRefBS.cpp	Fri Mar 27 15:24:49 2015 +0100
+++ b/hotspot/src/share/vm/gc_implementation/parNew/parCardTableModRefBS.cpp	Fri Mar 27 15:27:14 2015 +0100
@@ -36,8 +36,6 @@
 #include "runtime/virtualspace.hpp"
 #include "runtime/vmThread.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 void CardTableModRefBS::non_clean_card_iterate_parallel_work(Space* sp, MemRegion mr,
                                                              OopsInGenClosure* cl,
                                                              CardTableRS* ct,
@@ -376,13 +374,14 @@
                          " does not exceed used.end() = " PTR_FORMAT ","
                          " yet last_chunk_index_to_check " INTPTR_FORMAT
                          " exceeds last_chunk_index " INTPTR_FORMAT,
-                         last_block, last_block + last_block_size,
-                         used.end(),
+                         p2i(last_block), p2i(last_block + last_block_size),
+                         p2i(used.end()),
                          last_chunk_index_to_check, last_chunk_index));
           assert(sp->used_region().end() > used.end(),
                  err_msg("Expansion did not happen: "
                          "[" PTR_FORMAT "," PTR_FORMAT ") -> [" PTR_FORMAT "," PTR_FORMAT ")",
-                         sp->used_region().start(), sp->used_region().end(), used.start(), used.end()));
+                         p2i(sp->used_region().start()), p2i(sp->used_region().end()),
+                         p2i(used.start()), p2i(used.end())));
           NOISY(tty->print_cr(" process_chunk_boundary: heap expanded; explicitly bounding last_chunk");)
           last_chunk_index_to_check = last_chunk_index;
         }

--- a/hotspot/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	Fri Mar 27 15:24:49 2015 +0100
+++ b/hotspot/src/share/vm/gc_implementation/parNew/parNewGeneration.cpp	Fri Mar 27 15:27:14 2015 +0100
@@ -55,8 +55,6 @@
 #include "utilities/globalDefinitions.hpp"
 #include "utilities/workgroup.hpp"
 
-PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
-
 #ifdef _MSC_VER
 #pragma warning( push )
 #pragma warning( disable:4355 ) // 'this' : used in base member initializer list
@@ -1212,7 +1210,7 @@
   if (TraceScavenge) {
     gclog_or_tty->print_cr("{%s %s " PTR_FORMAT " -> " PTR_FORMAT " (%d)}",
        is_in_reserved(new_obj) ? "copying" : "tenuring",
-       new_obj->klass()->internal_name(), (void *)old, (void *)new_obj, new_obj->size());
+       new_obj->klass()->internal_name(), p2i(old), p2i(new_obj), new_obj->size());
   }
 #endif