7174884: C1: failures after 7171890: assert(cur_state != NULL) failed: state_before must be set

Reviewed-by: kvn

src/share/vm/c1/c1_Canonicalizer.cpp

@@ -466,7 +466,7 @@ void Canonicalizer::do_Intrinsic      (Intrinsic*       x) {
       if (t->is_klass()) {
         // substitute cls.isInstance(obj) of a constant Class into
         // an InstantOf instruction
-        InstanceOf* i = new InstanceOf(t->as_klass(), x->argument_at(1), x->state());
+        InstanceOf* i = new InstanceOf(t->as_klass(), x->argument_at(1), x->state_before());
         set_canonical(i);
         // and try to canonicalize even further
         do_InstanceOf(i);