[M3commit] CVS Update: cm3

[Rodney M. Bates]

CVSROOT:	/usr/cvs
Changes by:	rodney at birch.	07/09/12 21:31:34

Modified files:
	cm3/m3-sys/m3gdb/gdb/gdb/: expression.h m3-eval.c m3-exp.c 
	                           m3-lang.c m3-typeprint.c m3-util.c 
	                           m3-util.h m3-valprint.c 

Log message:
	Several bug fixes and improvements to m3gdb:
	
	1. Rework subtype relation and fix a backwards relation bug.
	
	2. Factor out some redundant code.
	
	3. Implement TYPECODE, on non-NIL values only.
	
	4. Fix bug when trying to get the typecode of UNTRACED REF types.
	
	5. Fix bug in computing addresses of fields of objects and records,
	when the entire object is printed.
	
	6. Add command "info Modula-3" to show the compiler and backend used
	to compile the program being debugged.  Aliases: modula-3, Modula3,
	modula3, M3, m3.