8186088: ConstantPoolCache::_resolved_references is not a JNIHandle
Summary: Make an OopHandle type to replace jobject to encapsulate these oop pointers in metadata and module entry.
Reviewed-by: sspitsyn, dholmes, jiangli, twisti

8180181: Get rid of FAST_DISPATCH from interpreter
Reviewed-by: coleenp, tschatzl

8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
Summary: Added _resolved_klasses; moved _resolved_references to ConstantPoolCache, etc.
Reviewed-by: coleenp, lfoltan, simonis, aph

8172049: [s390] Implement "JEP 270: Reserved Stack Areas for Critical Sections".
Reviewed-by: mdoerr

8167673: [s390] The s390 port.
Summary: template interpreter, C1, C2
Reviewed-by: kvn, simonis