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diff --git a/include/clang/Basic/ExceptionSpecificationType.h b/include/clang/Basic/ExceptionSpecificationType.h
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+++ b/include/clang/Basic/ExceptionSpecificationType.h
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+//===--- ExceptionSpecificationType.h ---------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the ExceptionSpecificationType enumeration and various
+// utility functions.
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_BASIC_EXCEPTIONSPECIFICATIONTYPE_H
+#define LLVM_CLANG_BASIC_EXCEPTIONSPECIFICATIONTYPE_H
+
+namespace clang {
+
+/// \brief The various types of exception specifications that exist in C++0x.
+enum ExceptionSpecificationType {
+  EST_None,            ///< no exception specification
+  EST_Dynamic,         ///< throw() or throw(T1, T2)
+  EST_DynamicAny,      ///< Microsoft throw(...) extension
+  EST_BasicNoexcept,   ///< noexcept
+  EST_ComputedNoexcept ///< noexcept(expression)
+};
+
+inline bool isDynamicExceptionSpec(ExceptionSpecificationType ESpecType) {
+  return ESpecType == EST_Dynamic || ESpecType == EST_DynamicAny;
+}
+
+inline bool isNoexceptExceptionSpec(ExceptionSpecificationType ESpecType) {
+  return ESpecType == EST_BasicNoexcept || ESpecType == EST_ComputedNoexcept;
+}
+
+} // end namespace clang
+
+#endif // LLVM_CLANG_BASIC_EXCEPTIONSPECIFICATIONTYPE_H