8059226: Names of rtm_state_change and unstable_if deoptimization reasons were swapped in 8u40

Summary: fixed order of DeoptReason values declaration so now it matches the order used in jdk9 and the names order in Deoptimization::_trap_reason_name.
Reviewed-by: kvn

src/share/vm/runtime/deoptimization.hpp

@@ -60,8 +60,8 @@ class Deoptimization : AllStatic {
     Reason_predicate,             // compiler generated predicate failed
     Reason_loop_limit_check,      // compiler generated loop limits check failed
     Reason_speculate_class_check, // saw unexpected object class from type speculation
-    Reason_unstable_if,           // a branch predicted always false was taken
     Reason_rtm_state_change,      // rtm state change detected
+    Reason_unstable_if,           // a branch predicted always false was taken
     Reason_LIMIT,
     // Note:  Keep this enum in sync. with _trap_reason_name.
     Reason_RECORDED_LIMIT = Reason_bimorphic  // some are not recorded per bc