*** old/src/share/vm/gc/g1/g1_globals.hpp	Thu Jun 25 16:48:32 2015
--- new/src/share/vm/gc/g1/g1_globals.hpp	Thu Jun 25 16:48:32 2015

*** 23,33 ****
--- 23,35 ----
   */
  
  #ifndef SHARE_VM_GC_G1_G1_GLOBALS_HPP
  #define SHARE_VM_GC_G1_G1_GLOBALS_HPP
  
+ #include <float.h> // for DBL_MAX
  #include "runtime/globals.hpp"
+ 
  //
  // Defines all globals flags used by the garbage-first compiler.
  //
  
  #define G1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, range, constraint) \

*** 69,79 ****
--- 71,81 ----
            "Trace information string and symbol table scrubbing.")           \
                                                                              \
    product(double, G1ConcMarkStepDurationMillis, 10.0,                       \
            "Target duration of individual concurrent marking steps "         \
            "in milliseconds.")                                               \
!           range(1.0, (double)max_uintx)                                     \
!           range(1.0, DBL_MAX)                                               \
                                                                              \
    product(intx, G1RefProcDrainInterval, 10,                                 \
            "The number of discovered reference objects to process before "   \
            "draining concurrent marking work queues.")                       \
            range(1, max_intx)                                                \