* java/util/IdentityHashMap.java (containsKey): Use getHash.
	(get): Likewise.
	(put): Likewise.
	(remove): Likewise.
	(getHash): New method.
	(tombstone, emptyslot): Now static final.
	(put): Correctly determine when to rehash, and correctly rehash.
	(containsKey, remove): Test against table length with `>='.

From-SVN: r45841

	* java/util/AbstractMap.java: Re-merged with Classpath.
	* java/util/IdentityHashMap.java: Re-merged with Classpath.

From-SVN: r45391

	* java/util/IdentityHashMap.java (get): Fix off-by-one error.
	(put): Likewise.

From-SVN: r45077

	* jni.cc: Include IdentityHashMap.h, not Hashtable.h.
	(local_ref_table, global_ref_table): Now IdentityHashMap.
	(_Jv_JNI_Init): Updated for new types.
	(mark_for_gc): Likewise.
	(unmark_for_gc): Likewise.
	* gcj/javaprims.h: Rebuilt class list.
	* Makefile.in: Rebuilt.
	* Makefile.am (core_java_source_files): Added new file.
	* java/util/IdentityHashMap.java: New file.

From-SVN: r44929