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diff --git a/src/3rdparty/angle/src/compiler/translator/PruneNoOps.h b/src/3rdparty/angle/src/compiler/translator/PruneNoOps.h
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+++ b/src/3rdparty/angle/src/compiler/translator/PruneNoOps.h
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+//
+// Copyright (c) 2002-2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// PruneNoOps.h: The PruneNoOps function prunes:
+// 1. Empty declarations "int;". Empty declarators will be pruned as well, so for example:
+// int , a;
+// is turned into
+// int a;
+// 2. Literal statements: "1.0;". The ESSL output doesn't define a default precision for float,
+// so float literal statements would end up with no precision which is invalid ESSL.
+
+#ifndef COMPILER_TRANSLATOR_PRUNENOOPS_H_
+#define COMPILER_TRANSLATOR_PRUNENOOPS_H_
+
+namespace sh
+{
+class TIntermBlock;
+
+void PruneNoOps(TIntermBlock *root);
+}
+
+#endif // COMPILER_TRANSLATOR_PRUNENOOPS_H_