--- old/src/cpu/aarch64/vm/globals_aarch64.hpp	2015-10-30 19:14:41.788475332 +0100
+++ new/src/cpu/aarch64/vm/globals_aarch64.hpp	2015-10-30 19:14:41.724475330 +0100
@@ -79,6 +79,9 @@
 
 define_pd_global(uintx, TypeProfileLevel, 111);
 
+// No performance work done here yet.
+define_pd_global(bool, CompactStrings, false);
+
 // avoid biased locking while we are bootstrapping the aarch64 build
 define_pd_global(bool, UseBiasedLocking, false);