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diff --git a/thirdparty/glslang/SPIRV/Logger.h b/thirdparty/glslang/SPIRV/Logger.h
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+++ b/thirdparty/glslang/SPIRV/Logger.h
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+//
+// Copyright (C) 2016 Google, Inc.
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+//    Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//
+//    Redistributions in binary form must reproduce the above
+//    copyright notice, this list of conditions and the following
+//    disclaimer in the documentation and/or other materials provided
+//    with the distribution.
+//
+//    Neither the name of Google Inc. nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef GLSLANG_SPIRV_LOGGER_H
+#define GLSLANG_SPIRV_LOGGER_H
+
+#include <string>
+#include <vector>
+
+namespace spv {
+
+// A class for holding all SPIR-V build status messages, including
+// missing/TBD functionalities, warnings, and errors.
+class SpvBuildLogger {
+public:
+    SpvBuildLogger() {}
+
+    // Registers a TBD functionality.
+    void tbdFunctionality(const std::string& f);
+    // Registers a missing functionality.
+    void missingFunctionality(const std::string& f);
+
+    // Logs a warning.
+    void warning(const std::string& w) { warnings.push_back(w); }
+    // Logs an error.
+    void error(const std::string& e) { errors.push_back(e); }
+
+    // Returns all messages accumulated in the order of:
+    // TBD functionalities, missing functionalities, warnings, errors.
+    std::string getAllMessages() const;
+
+private:
+    SpvBuildLogger(const SpvBuildLogger&);
+
+    std::vector<std::string> tbdFeatures;
+    std::vector<std::string> missingFeatures;
+    std::vector<std::string> warnings;
+    std::vector<std::string> errors;
+};
+
+} // end spv namespace
+
+#endif // GLSLANG_SPIRV_LOGGER_H