C++ PATCH to conserve a bit more memory

[Mark Mitchell]

This patch is not just an optimization; it also prevents us from
accessing GC'd memory later.  (Revealed by enabling GGC_POISION in the
collector and running the tests.)

--
Mark Mitchell                   mark@codesourcery.com
CodeSourcery, LLC               http://www.codesourcery.com

Index: decl.c
===================================================================
RCS file: /cvs/gcc/egcs/gcc/cp/decl.c,v
retrieving revision 1.490
diff -c -p -r1.490 decl.c
*** decl.c	1999/10/30 23:32:54	1.490
--- decl.c	1999/11/01 01:44:28
*************** finish_function (lineno, flags)
*** 13782,13787 ****
--- 13782,13789 ----
      }
    else
      {
+       /* Clear out memory we no longer need.  */
+       free_after_parsing (current_function);
        /* Since we never call rest_of_compilation, we never clear
  	 CURRENT_FUNCTION.  Do so explicitly.  */
        free_after_compilation (current_function);