Disabled coalescing and splitting for P2012.

DefineOptions.cmake

@@ -24,10 +24,8 @@ if (P2012)
   set(WITH_STATIC_LIB ON)
   set(NUM_HEAPS 1)
   set(LINUXTEST OFF)
-  set(WITH_COALESCING "variable")
-  set(MAX_COALESCE_SIZE 60000)
-  set(WITH_SPLITTING "variable")
-  set(MIN_SPLITTING_SIZE 300)
+  set(WITH_COALESCING "never")
+  set(WITH_SPLITTING "never")
   set(BLOCKS_ORGANIZATION "sll")
 endif (P2012)