+ 27.2.2001 Goetz
+ Moved struct from irprog.h to irprog_t.h, same for irmode.h.
+ Added a module deb_info in debug.h. Adapted makefile. Added example
+ use in iropt.h.
+ Removed use of debug.h in ident.c. Now debug.c|h can be moved to
+ /adt/.
+ Removed inabled code for dead node elimination in irgopt.h.
+ Renamed some missnamed access routines (_of_). Macros with old names
+ are in old_fctnames.h.
+ Edited makefiles to remove #* and *.flc.
+
+ ??.2.2001 Goetz
+ Some minor bugfixes...
+
+ 25.1.2001 Goetz
+ After compacting of in arrays in dead_node_elimination
+ merge blocks and remove Phis with one pred.
+
+ 24.1.2001 Goetz
+ Freeing of obstack in dead_node_elimination commented in.
+ Compacting in arrays of Block and Phi nodes in dead_node_
+ elimination.
+ Some more changes...
+
+ 15.01.2001 Goetz
+ added set/get_SymConst_type_or_id in irnode.h
+ added field offset to entity in entity.h
+ added field size to type_class in type.h
+ include "gmp.h" in tv.h with "" instead <>
+
+ 12.01.2001 Goetz
+ Some changes to make the lib better portable
+
+ 29.12.2000 Goetz
+ Initialize max_node_nr in irprog.
+
+ 27.12.2000 Goetz
+ Now outputs warning if faulty type in irdump, dump_type_info.
+ Explicit string termination in irdump, vcg_open.
+
+ 20.12.2000 Goetz
+ Added external to declaration of irp.
+ Added typedef before pns and pnc_number.
+ irmode.c, init_mode(): We need to memset all new modes as
+ tarval_vrfy reads fields before they are initialized: It
+ compares to min/max when tarvals for min/max are allocated!
+
+ 18.12.2000 Goetz
+ Changed parameter of Methods in type.h and type.c from
+ class to clss. Class is a C++ keyword.
+
+ 10.12.2000 Goetz
+ Changed some testprograms to accomodate Uebprakt.
+
+ 7.9.2000 Goetz
+ Finished implementation of dump_all_types.
+ Added new testprogram inheritance_example.
+
6.9.2000 Chris
Added seven access routines in type.[hc]:
get_class_n_member, get_class_n_subtype, get_class_n_supertype,