diff -r c5b7455f846e -r 09241459a8b8 hotspot/src/cpu/x86/vm/globals_x86.hpp
--- a/hotspot/src/cpu/x86/vm/globals_x86.hpp	Mon Nov 02 12:34:27 2015 +0000
+++ b/hotspot/src/cpu/x86/vm/globals_x86.hpp	Tue Nov 03 09:41:03 2015 +0100
@@ -91,6 +91,8 @@
 
 define_pd_global(uintx, TypeProfileLevel, 111);
 
+define_pd_global(bool, CompactStrings, true);
+
 define_pd_global(bool, PreserveFramePointer, false);
 
 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct, range, constraint) \