start-sanitize-gdbtk

* gdbtk.c (gdb_get_breakpoint_info):  Add string for new
	enumeration del_at_next_stop to bpdisp array.

end-sanitize-gdbtk
	* eval.c (evaluate_subexp_for_sizeof):  Handle dereferencing
	of non-pointer values.

	* symtab.c (gdb_mangle_name):  Improve mangling of nested types,
	their physical names already include the class name.

	* valops.c (value_cast):  Handle upcast of a class pointer.

	From Andreas Schwab (schwab@issan.informatik.uni-dortmund.de):
	* corelow.c (get_core_registers):  Make secname big enough.

gdb/corelow.c

@@ -278,7 +278,7 @@ get_core_registers (regno)
   sec_ptr reg_sec;
   unsigned size;
   char *the_regs;
-  char secname[10];
+  char secname[30];
   enum bfd_flavour our_flavour = bfd_get_flavour (core_bfd);
   struct core_fns *cf = NULL;