1 files changed, 11 insertions, 59 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/RemoveTree.cpp b/src/3rdparty/angle/src/compiler/translator/RemoveTree.cpp
index 92e5dbbfe1..e381c32690 100644
--- a/src/3rdparty/angle/src/compiler/translator/RemoveTree.cpp
+++ b/src/3rdparty/angle/src/compiler/translator/RemoveTree.cpp
@@ -8,70 +8,22 @@
 #include "compiler/translator/RemoveTree.h"
 
 //
-// Code to recursively delete the intermediate tree.
+// Code to delete the intermediate tree.
 //
-
-class RemoveTree : public TIntermTraverser
-{
-public:
-	RemoveTree() : TIntermTraverser(false, false, true)
-	{
-	}
-
-protected:
-	void visitSymbol(TIntermSymbol*);
-	void visitConstantUnion(TIntermConstantUnion*);
-	bool visitBinary(Visit visit, TIntermBinary*);
-	bool visitUnary(Visit visit, TIntermUnary*);
-	bool visitSelection(Visit visit, TIntermSelection*);
-	bool visitAggregate(Visit visit, TIntermAggregate*);
-};
-
-void RemoveTree::visitSymbol(TIntermSymbol* node)
-{
-	delete node;
-}
-
-bool RemoveTree::visitBinary(Visit visit, TIntermBinary* node)
-{
-	delete node;
-
-	return true;
-}
-
-bool RemoveTree::visitUnary(Visit visit, TIntermUnary* node)
-{
-    delete node;
-
-	return true;
-}
-
-bool RemoveTree::visitAggregate(Visit visit, TIntermAggregate* node)
+void RemoveAllTreeNodes(TIntermNode* root)
 {
-	delete node;
+    std::queue<TIntermNode*> nodeQueue;
 
-	return true;
-}
+    nodeQueue.push(root);
 
-bool RemoveTree::visitSelection(Visit visit, TIntermSelection* node)
-{
-	delete node;
+    while (!nodeQueue.empty())
+    {
+        TIntermNode *node = nodeQueue.front();
+        nodeQueue.pop();
 
-	return true;
-}
-
-void RemoveTree::visitConstantUnion(TIntermConstantUnion* node)
-{
-	delete node;
-}
-
-//
-// Entry point.
-//
-void RemoveAllTreeNodes(TIntermNode* root)
-{
-    RemoveTree it;
+        node->enqueueChildren(&nodeQueue);
 
-    root->traverse(&it);
+        delete node;
+    }
 }