1 files changed, 60 insertions, 0 deletions
diff --git a/0002-libstdc-fix-incomplete-type-in-AXTree-for-NodeSetSiz.patch b/0002-libstdc-fix-incomplete-type-in-AXTree-for-NodeSetSiz.patch
new file mode 100644
index 000000000000..5311beefa009
--- /dev/null
+++ b/0002-libstdc-fix-incomplete-type-in-AXTree-for-NodeSetSiz.patch
@@ -0,0 +1,60 @@
+From 6800459ad3b60208f27f638d8c6d170fb8461c84 Mon Sep 17 00:00:00 2001
+From: Stephan Hartmann <stha09@googlemail.com>
+Date: Sun, 5 Apr 2020 08:29:21 +0000
+Subject: [PATCH 2/3] libstdc++: fix incomplete-type in AXTree for
+ NodeSetSizePosInSetInfo
+
+std::unordered_map<T, U> requires U to be fully declared. ax_tree.h
+has only forward declaration of NodeSetSizePosInSetInfo. Therefore,
+move declaration from ax_tree.cc.
+Bug: 957519
+Change-Id: Ic1f4bf3ebfea229ece84251e46d4461b31873868
+---
+ ui/accessibility/ax_tree.cc | 10 ++--------
+ ui/accessibility/ax_tree.h  |  9 ++++++++-
+ 2 files changed, 10 insertions(+), 9 deletions(-)
+
+diff --git a/ui/accessibility/ax_tree.cc b/ui/accessibility/ax_tree.cc
+index 7b8d9b1b1610..e9154028d664 100644
+--- a/ui/accessibility/ax_tree.cc
++++ b/ui/accessibility/ax_tree.cc
+@@ -567,14 +567,8 @@ struct AXTreeUpdateState {
+   const AXTree& tree;
+ };
+ 
+-struct AXTree::NodeSetSizePosInSetInfo {
+-  NodeSetSizePosInSetInfo() = default;
+-  ~NodeSetSizePosInSetInfo() = default;
+-
+-  int32_t pos_in_set = 0;
+-  int32_t set_size = 0;
+-  base::Optional<int> lowest_hierarchical_level;
+-};
++AXTree::NodeSetSizePosInSetInfo::NodeSetSizePosInSetInfo() = default;
++AXTree::NodeSetSizePosInSetInfo::~NodeSetSizePosInSetInfo() = default;
+ 
+ struct AXTree::OrderedSetContent {
+   explicit OrderedSetContent(const AXNode* ordered_set = nullptr)
+diff --git a/ui/accessibility/ax_tree.h b/ui/accessibility/ax_tree.h
+index a51ca8de4c84..8c1c57517ac0 100644
+--- a/ui/accessibility/ax_tree.h
++++ b/ui/accessibility/ax_tree.h
+@@ -328,7 +328,14 @@ class AX_EXPORT AXTree : public AXNode::OwnerTree {
+   bool enable_extra_mac_nodes_ = false;
+ 
+   // Contains pos_in_set and set_size data for an AXNode.
+-  struct NodeSetSizePosInSetInfo;
++  struct NodeSetSizePosInSetInfo {
++    NodeSetSizePosInSetInfo();
++    ~NodeSetSizePosInSetInfo();
++
++    int32_t pos_in_set = 0;
++    int32_t set_size = 0;
++    base::Optional<int> lowest_hierarchical_level;
++  };
+ 
+   // Represents the content of an ordered set which includes the ordered set
+   // items and the ordered set container if it exists.
+-- 
+2.26.0
+