Re: i386-coff nightly testing libstdc++ build failure

[Mark Mitchell <mark at markmitchell dot com>]

>>>>> "Jim" == Jim Wilson <wilson@cygnus.com> writes:

    Jim> 	It's probably reasonable to restrict TYPE_BINFO to
    Jim> AGGREGATE_TYPE_P types; what do you think?

Here's a patch which documents this point of view.  Jim, OK?

-- 
Mark Mitchell 			mark@markmitchell.com
Mark Mitchell Consulting	http://www.markmitchell.com

Sun Sep 27 09:32:34 1998  Mark Mitchell  <mark@markmitchell.com>

	* tree.h (TYPE_BINFO): Document.

Index: tree.h
===================================================================
RCS file: /egcs/carton/cvsfiles/egcs/gcc/tree.h,v
retrieving revision 1.54
diff -c -p -r1.54 tree.h
*** tree.h	1998/09/20 19:02:57	1.54
--- tree.h	1998/09/27 07:25:34
*************** struct tree_block
*** 787,797 ****
  #define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type.name)
  #define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type.next_variant)
  #define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type.main_variant)
- #define TYPE_BINFO(NODE) (TYPE_CHECK (NODE)->type.binfo)
  #define TYPE_NONCOPIED_PARTS(NODE) (TYPE_CHECK (NODE)->type.noncopied_parts)
  #define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type.context)
  #define TYPE_OBSTACK(NODE) (TYPE_CHECK (NODE)->type.obstack)
  #define TYPE_LANG_SPECIFIC(NODE) (TYPE_CHECK (NODE)->type.lang_specific)
  
  /* The (language-specific) typed-based alias set for this type.
     Objects whose TYPE_ALIAS_SETs are different cannot alias each
--- 787,801 ----
  #define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type.name)
  #define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type.next_variant)
  #define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type.main_variant)
  #define TYPE_NONCOPIED_PARTS(NODE) (TYPE_CHECK (NODE)->type.noncopied_parts)
  #define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type.context)
  #define TYPE_OBSTACK(NODE) (TYPE_CHECK (NODE)->type.obstack)
  #define TYPE_LANG_SPECIFIC(NODE) (TYPE_CHECK (NODE)->type.lang_specific)
+ 
+ /* For aggregate types, information about this type, as a base type
+    for itself.  Used in a language-dependent way for types that are
+    neither a RECORD_TYPE, QUAL_UNION_TYPE, nor a UNION_TYPE.  */
+ #define TYPE_BINFO(NODE) (TYPE_CHECK (NODE)->type.binfo)
  
  /* The (language-specific) typed-based alias set for this type.
     Objects whose TYPE_ALIAS_SETs are different cannot alias each