JDK-8286562 added a new assertion in src/hotspot/share/utilities/globalDefinitions.hpp

inline const char* type2name(BasicType t) {
  assert((uint)t < T_CONFLICT + 1, "invalid type");
  return type2name_tab[t];
}

which is failing with test

compiler/jvmci/errors/TestInvalidDebugInfo.java


#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/System/Volumes/Data/mesos/work_dir/slaves/779adf21-f3e5-4e6a-a889-8cc0f9bc6fbb-S22603/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/e7f496e2-6bc7-427d-bf09-99efa3070561/runs/a80eec9d-dc25-4365-af92-a17adf8c94f5/workspace/open/src/hotspot/share/utilities/globalDefinitions.hpp:735), pid=21774, tid=25603
# assert((uint)t < T_CONFLICT + 1) failed: invalid type

#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/System/Volumes/Data/mesos/work_dir/slaves/779adf21-f3e5-4e6a-a889-8cc0f9bc6fbb-S22603/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/e7f496e2-6bc7-427d-bf09-99efa3070561/runs/a80eec9d-dc25-4365-af92-a17adf8c94f5/workspace/open/src/hotspot/share/utilities/globalDefinitions.hpp:735), pid=21774, tid=25603
# assert((uint)t < T_CONFLICT + 1) failed: invalid type