* alpha-tdep.c (heuristic_proc_desc): Stop examining the prologue

	* alpha-tdep.c (heuristic_proc_desc):  Stop examining the prologue
	if we encounter a positive stack adjustment.
	(find_proc_desc):  If heuristic_fence_post is non-zero, use
	heuristic_proc_start to determine the start of a function before
	calling heuristic_proc_desc.

	* coffread.c (coff_symtab_read):  Change minimal symbol types
	for C_LABEL symbols from mst_* to mst_file_*.

	* config/m68k/sun3os4.mh (MMALLOC_CFLAGS): Define MMCHECK_FORCE to 1.

	* configure.in:  Handle error message from sun3 native ld when
	configuring HLDFLAGS.
	* configure:  Regenerated with autoconf.

	* c-valprint.c (c_value_print):  Adjust value address by VALUE_OFFSET.
	* cp-valprint.c (cp_print_value):  Prevent gdb crashes by making sure
	that the virtual base pointer from an user object still points to
	accessible memory.

	* dbxread.c (dbx_symfile_init):  Initialize sym_stab_info to
	clear the recently added header_files fields.
	(dbx_symfile_finish):  Free hfiles[i].vector to avoid storage leak.