rs6000.c (rs6000_function_arg): Ensure type is non-NULL.

* config/rs6000/rs6000.c (rs6000_function_arg): Ensure type is non-NULL.
(rs6000_arg_partial_bytes): Same.

From-SVN: r267104

gcc/ChangeLog

+2018-12-13  David Edelsohn  <dje.gcc@gmail.com>
+
+	* config/rs6000/rs6000.c (rs6000_function_arg): Ensure type is
+	non-NULL.
+	(rs6000_arg_partial_bytes): Same.
+
 2018-12-13  Jason Merrill  <jason@redhat.com>
 
 	* gdbinit.in (pp): New macro.

gcc/config/rs6000/rs6000.c

@@ -11999,7 +11999,8 @@ rs6000_function_arg (cumulative_args_t cum_v, machine_mode mode,
 	cum->fregno++;
 
       if (USE_FP_FOR_ARG_P (cum, elt_mode)
-	  && !(TARGET_AIX && !TARGET_ELF && AGGREGATE_TYPE_P (type)))
+	  && !(TARGET_AIX && !TARGET_ELF
+	       && type != NULL && AGGREGATE_TYPE_P (type)))
 	{
 	  rtx rvec[GP_ARG_NUM_REG + AGGR_ARG_NUM_REG + 1];
 	  rtx r, off;
@@ -12136,7 +12137,8 @@ rs6000_arg_partial_bytes (cumulative_args_t cum_v, machine_mode mode,
   align_words = rs6000_parm_start (mode, type, cum->words);
 
   if (USE_FP_FOR_ARG_P (cum, elt_mode)
-      && !(TARGET_AIX && !TARGET_ELF && AGGREGATE_TYPE_P (type)))
+      && !(TARGET_AIX && !TARGET_ELF
+	   && type != NULL && AGGREGATE_TYPE_P (type)))
     {
       unsigned long n_fpreg = (GET_MODE_SIZE (elt_mode) + 7) >> 3;