--- old/src/hotspot/share/classfile/vmSymbols.hpp	2018-10-31 14:22:36.241957800 +0100
+++ new/src/hotspot/share/classfile/vmSymbols.hpp	2018-10-31 14:22:36.121957895 +0100
@@ -832,6 +832,12 @@
                                                                                                                         \
   JFR_INTRINSICS(do_intrinsic, do_class, do_name, do_signature, do_alias)                                               \
                                                                                                                         \
+  do_intrinsic(_setBit,                   java_lang_System,       setBit_name, setBit_signature,                 F_S)   \
+   do_name(     setBit_name,                                     "setBit")                                              \
+   do_signature(setBit_signature,                                "([BI)V")                                              \
+  do_intrinsic(_clrBit,                   java_lang_System,       clrBit_name, clrBit_signature,                 F_S)   \
+   do_name(     clrBit_name,                                     "clrBit")                                              \
+   do_signature(clrBit_signature,                                "([BI)V")                                              \
   do_intrinsic(_arraycopy,                java_lang_System,       arraycopy_name, arraycopy_signature,           F_S)   \
    do_name(     arraycopy_name,                                  "arraycopy")                                           \
    do_signature(arraycopy_signature,                             "(Ljava/lang/Object;ILjava/lang/Object;II)V")          \