8214807: Improve handling of very old class files

Remove old version specific code in reflection.cpp

Reviewed-by: clanger
Backport-of: 145582d

Author: RealLucy

src/hotspot/share/classfile/verifier.hpp

@@ -36,7 +36,6 @@
 class Verifier : AllStatic {
  public:
   enum {
-    STRICTER_ACCESS_CTRL_CHECK_VERSION  = 49,
     STACKMAP_ATTRIBUTE_MAJOR_VERSION    = 50,
     INVOKEDYNAMIC_MAJOR_VERSION         = 51,
     NO_RELAX_ACCESS_CTRL_CHECK_VERSION  = 52,

src/hotspot/share/runtime/reflection.cpp

@@ -453,11 +453,9 @@ static bool can_relax_access_check_for(const Klass* accessor,
     under_host_klass(accessee_ik, accessor_ik))
     return true;
 
-  if ((RelaxAccessControlCheck &&
+  if (RelaxAccessControlCheck &&
     accessor_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION &&
-    accessee_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION) ||
-    (accessor_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION &&
-    accessee_ik->major_version() < Verifier::STRICTER_ACCESS_CTRL_CHECK_VERSION)) {
+    accessee_ik->major_version() < Verifier::NO_RELAX_ACCESS_CTRL_CHECK_VERSION) {
     return classloader_only &&
       Verifier::relax_access_for(accessor_ik->class_loader()) &&
       accessor_ik->protection_domain() == accessee_ik->protection_domain() &&