--- old/src/share/vm/opto/c2_globals.hpp	2015-07-15 18:35:23.492865904 -0700
+++ new/src/share/vm/opto/c2_globals.hpp	2015-07-15 18:35:23.388865901 -0700
@@ -659,7 +659,7 @@
           "0 for no aliasing, 1 for oop/field/static/array split, "         \
           "2 for class split, 3 for unique instances")                      \
           range(0, 3)                                                       \
-          constraint(AliasLevelConstraintFunc)                              \
+          constraint(AliasLevelConstraintFunc,AfterParse)                   \
                                                                             \
   develop(bool, VerifyAliases, false,                                       \
           "perform extra checks on the results of alias analysis")          \