* Makefile.in (JAVA_OBJS): Added boehm.o.
	(boehm.o): New target.
	* Make-lang.in (JAVA_SRCS): Added boehm.c.
	* java-tree.h (flag_use_boehm_gc): Declare.
	(get_boehm_type_descriptor): Declare.
	* lang.c (lang_f_options): Added `use-boehm-gc'.
	(flag_use_boehm_gc): New global.
	* lang-options.h: Added -fuse-boehm-gc.
	* boehm.c: New file.
	* class.c (get_dispatch_table): If class uses a Boehm type
	descriptor, put it in the vtable.
	(make_class_data): Removed dead code.

From-SVN: r32331