pt.c (process_partial_specialization): Consistantly allocate and zero tpd.parms based on ntparms.

	* pt.c (process_partial_specialization): Consistantly allocate
	and zero tpd.parms based on ntparms.  Use tpd2.parms, not
	tpd.parms, where appropriate.

Co-Authored-By: Mark Mitchell <mark@markmitchell.com>

From-SVN: r22325

gcc/cp/ChangeLog

+1998-09-08  Richard Henderson  <rth@cygnus.com>
+	    Mark Mitchell  <mark@markmitchell.com>	
+	
+	* pt.c (process_partial_specialization): Consistantly allocate
+	and zero tpd.parms based on ntparms.  Use tpd2.parms, not
+	tpd.parms, where appropriate.
+
 Sun Sep  6 00:00:51 1998  Jeffrey A Law  (law@cygnus.com)
 
 	* Makefile.in (INCLUDES): Update after recent toplevel gcc

gcc/cp/pt.c

@@ -1912,7 +1912,7 @@ process_partial_specialization (decl)
      or some such would have been OK.  */
   tpd.level = TMPL_PARMS_DEPTH (current_template_parms);
   tpd.parms = alloca (sizeof (int) * ntparms);
-  bzero (tpd.parms, sizeof (int) * nargs);
+  bzero (tpd.parms, sizeof (int) * ntparms);
 
   tpd.arg_uses_template_parms = alloca (sizeof (int) * nargs);
   bzero (tpd.arg_uses_template_parms, sizeof (int) * nargs);
@@ -1985,6 +1985,9 @@ process_partial_specialization (decl)
 		  /* We haven't yet initialized TPD2.  Do so now.  */
 		  tpd2.arg_uses_template_parms 
 		    =  (int*) alloca (sizeof (int) * nargs);
+		  /* The number of paramters here is the number in the
+		     main template, which, as checked in the assertion
+		     above, is NARGS.  */
 		  tpd2.parms = (int*) alloca (sizeof (int) * nargs);
 		  tpd2.level = 
 		    TMPL_PARMS_DEPTH (DECL_TEMPLATE_PARMS (maintmpl));
@@ -1995,7 +1998,7 @@ process_partial_specialization (decl)
 		 template, not in the specialization.  */
 	      tpd2.current_arg = i;
 	      tpd2.arg_uses_template_parms[i] = 0;
-	      bzero (tpd.parms, sizeof (int) * nargs);
+	      bzero (tpd2.parms, sizeof (int) * nargs);
 	      for_each_template_parm (type,
 				      &mark_template_parm,
 				      &tpd2);