re PR ipa/92242 (LTO ICE in ipa_get_cs_argument_count ipa-prop.h:598)

	PR ipa/92242
	* ipa-fnsummary.c (ipa_merge_fn_summary_after_inlining): Check
	for missing EDGE_REF
	* ipa-prop.c (update_jump_functions_after_inlining): Likewise.

From-SVN: r277504

gcc/ChangeLog

+2019-10-25  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/92242
+	* ipa-fnsummary.c (ipa_merge_fn_summary_after_inlining): Check
+	for missing EDGE_REF
+	* ipa-prop.c (update_jump_functions_after_inlining): Likewise.
+
 2019-10-25  Jiufu Guo  <guojiufu@linux.ibm.com>	    
 
 	PR tree-optimization/88760

gcc/ipa-fnsummary.c

@@ -3315,7 +3315,7 @@ ipa_merge_fn_summary_after_inlining (struct cgraph_edge *edge)
   if (ipa_node_params_sum && callee_info->conds)
     {
       class ipa_edge_args *args = IPA_EDGE_REF (edge);
-      int count = ipa_get_cs_argument_count (args);
+      int count = args ? ipa_get_cs_argument_count (args) : 0;
       int i;
 
       if (count)

gcc/ipa-prop.c

@@ -2741,7 +2741,7 @@ update_jump_functions_after_inlining (struct cgraph_edge *cs,
 	  /* We must check range due to calls with variable number of arguments
 	     and we cannot combine jump functions with operations.  */
 	  if (dst->value.pass_through.operation == NOP_EXPR
-	      && (dst->value.pass_through.formal_id
+	      && (top && dst->value.pass_through.formal_id
 		  < ipa_get_cs_argument_count (top)))
 	    {
 	      int dst_fid = dst->value.pass_through.formal_id;
@@ -3430,7 +3430,7 @@ update_indirect_edges_after_inlining (struct cgraph_edge *cs,
 	continue;
 
       /* We must check range due to calls with variable number of arguments:  */
-      if (ici->param_index >= ipa_get_cs_argument_count (top))
+      if (!top || ici->param_index >= ipa_get_cs_argument_count (top))
 	{
 	  ici->param_index = -1;
 	  continue;