src/cpu/zero/vm/globals_zero.hpp

*** 67,76 ****
--- 67,79 ----
  
  define_pd_global(uintx, TypeProfileLevel, 0);
  
  define_pd_global(bool, PreserveFramePointer, false);
  
+ // No performance work done here yet.
+ define_pd_global(bool, CompactStrings, false);
+ 
  #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct, range, constraint)  \
                                                                              \
    product(bool, UseFastEmptyMethods, true,                                  \
            "Use fast method entry code for empty methods")                   \
                                                                              \