[PR63238] include alignment debug information in DIE checksum

    
Add DW_AT_alignment to the DIE checksum.
    
for gcc/ChangeLog
    
	PR debug/63238
	* dwarf2out.c (struct checksum_attributes): Add at_alignment.
	(collect_checksum_attributes): Set it.
	(die_checksum_ordered): Use it.

From-SVN: r246331

gcc/ChangeLog

+2017-03-21  Alexandre Oliva <aoliva@redhat.com>
+
+	PR debug/63238
+	* dwarf2out.c (struct checksum_attributes): Add at_alignment.
+	(collect_checksum_attributes): Set it.
+	(die_checksum_ordered): Use it.
+
 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	PR tree-optimization/79908

gcc/dwarf2out.c

@@ -6633,6 +6633,7 @@ struct checksum_attributes
   dw_attr_node *at_friend;
   dw_attr_node *at_accessibility;
   dw_attr_node *at_address_class;
+  dw_attr_node *at_alignment;
   dw_attr_node *at_allocated;
   dw_attr_node *at_artificial;
   dw_attr_node *at_associated;
@@ -6706,6 +6707,9 @@ collect_checksum_attributes (struct checksum_attributes *attrs, dw_die_ref die)
         case DW_AT_address_class:
           attrs->at_address_class = a;
           break;
+	case DW_AT_alignment:
+	  attrs->at_alignment = a;
+	  break;
         case DW_AT_allocated:
           attrs->at_allocated = a;
           break;
@@ -6912,6 +6916,7 @@ die_checksum_ordered (dw_die_ref die, struct md5_ctx *ctx, int *mark)
   CHECKSUM_ATTR (attrs.at_vtable_elem_location);
   CHECKSUM_ATTR (attrs.at_type);
   CHECKSUM_ATTR (attrs.at_friend);
+  CHECKSUM_ATTR (attrs.at_alignment);
 
   /* Checksum the child DIEs.  */
   c = die->die_child;