[committed] ob: merge include/partition.h from gcc

[committed] ob: merge include/partition.h from gcc

[Richard Earnshaw]

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This patch just merges a change from the gcc copy of partition.h in
include.  It gives better memory usage for the partition object on
64-bit machines.

Committed.


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diff --git a/include/ChangeLog b/include/ChangeLog
index 9afcc62..55bf46d 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,11 @@
+2015-04-17  Richard Earnshaw  <rearnsha@arm.com>
+
+	Merge from gcc:
+	2015-03-19  Richard Biener  <rguenther@suse.de>
+
+		* partition.h (struct partition_elem): Re-order elements to
+		avoid padding.
+
 2015-04-14  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* bfdlink.h (bfd_link_info): Add compress_debug.
diff --git a/include/partition.h b/include/partition.h
index 53d127e..c39873b 100644
--- a/include/partition.h
+++ b/include/partition.h
@@ -1,5 +1,5 @@
 /* List implementation of a partition of consecutive integers.
-   Copyright (C) 2000-2015 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
    Contributed by CodeSourcery, LLC.
 
    This file is part of GCC.
@@ -45,12 +45,12 @@ extern "C" {
 
 struct partition_elem
 {
-  /* The canonical element that represents the class containing this
-     element.  */
-  int class_element;
   /* The next element in this class.  Elements in each class form a
      circular list.  */
   struct partition_elem* next;
+  /* The canonical element that represents the class containing this
+     element.  */
+  int class_element;
   /* The number of elements in this class.  Valid only if this is the
      canonical element for its class.  */
   unsigned class_count;