RFA: don't print `const' qualifier for ref types

[Jim Blandy <jimb@zwingli.cygnus.com>]

See the comments in the patched code for details.

2001-04-13  Jim Blandy  <jimb@redhat.com>

	* c-typeprint.c (c_type_print_cv_qualifier): Don't print `const'
	qualifier on C++ references; all references are innately const.

Index: gdb/c-typeprint.c
===================================================================
RCS file: /cvs/cvsfiles/devo/gdb/c-typeprint.c,v
retrieving revision 2.45.30.2
diff -c -r2.45.30.2 c-typeprint.c
*** gdb/c-typeprint.c	2001/03/26 18:23:19	2.45.30.2
--- gdb/c-typeprint.c	2001/04/14 08:21:03
***************
*** 296,302 ****
  {
    int flag = 0;
  
!   if (TYPE_CONST (type))
      {
        if (need_pre_space)
  	fprintf_filtered (stream, " ");
--- 296,306 ----
  {
    int flag = 0;
  
!   /* We don't print `const' qualifiers for references --- since all
!      operators affect the thing referenced, not the reference itself,
!      every reference is `const'.  */
!   if (TYPE_CONST (type)
!       && TYPE_CODE (type) != TYPE_CODE_REF)
      {
        if (need_pre_space)
  	fprintf_filtered (stream, " ");