Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/ObjectYAML/COFFYAML.h b/linux-x64/clang/include/llvm/ObjectYAML/COFFYAML.h
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+++ b/linux-x64/clang/include/llvm/ObjectYAML/COFFYAML.h
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+//===- COFFYAML.h - COFF YAMLIO implementation ------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares classes for handling the YAML representation of COFF.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OBJECTYAML_COFFYAML_H
+#define LLVM_OBJECTYAML_COFFYAML_H
+
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/BinaryFormat/COFF.h"
+#include "llvm/ObjectYAML/CodeViewYAMLDebugSections.h"
+#include "llvm/ObjectYAML/CodeViewYAMLTypeHashing.h"
+#include "llvm/ObjectYAML/CodeViewYAMLTypes.h"
+#include "llvm/ObjectYAML/YAML.h"
+#include <cstdint>
+#include <vector>
+
+namespace llvm {
+
+namespace COFF {
+
+inline Characteristics operator|(Characteristics a, Characteristics b) {
+  uint32_t Ret = static_cast<uint32_t>(a) | static_cast<uint32_t>(b);
+  return static_cast<Characteristics>(Ret);
+}
+
+inline SectionCharacteristics operator|(SectionCharacteristics a,
+                                        SectionCharacteristics b) {
+  uint32_t Ret = static_cast<uint32_t>(a) | static_cast<uint32_t>(b);
+  return static_cast<SectionCharacteristics>(Ret);
+}
+
+inline DLLCharacteristics operator|(DLLCharacteristics a,
+                                    DLLCharacteristics b) {
+  uint16_t Ret = static_cast<uint16_t>(a) | static_cast<uint16_t>(b);
+  return static_cast<DLLCharacteristics>(Ret);
+}
+
+} // end namespace COFF
+
+// The structure of the yaml files is not an exact 1:1 match to COFF. In order
+// to use yaml::IO, we use these structures which are closer to the source.
+namespace COFFYAML {
+
+LLVM_YAML_STRONG_TYPEDEF(uint8_t, COMDATType)
+LLVM_YAML_STRONG_TYPEDEF(uint32_t, WeakExternalCharacteristics)
+LLVM_YAML_STRONG_TYPEDEF(uint8_t, AuxSymbolType)
+
+struct Relocation {
+  uint32_t VirtualAddress;
+  uint16_t Type;
+  StringRef SymbolName;
+};
+
+struct Section {
+  COFF::section Header;
+  unsigned Alignment = 0;
+  yaml::BinaryRef SectionData;
+  std::vector<CodeViewYAML::YAMLDebugSubsection> DebugS;
+  std::vector<CodeViewYAML::LeafRecord> DebugT;
+  Optional<CodeViewYAML::DebugHSection> DebugH;
+  std::vector<Relocation> Relocations;
+  StringRef Name;
+
+  Section();
+};
+
+struct Symbol {
+  COFF::symbol Header;
+  COFF::SymbolBaseType SimpleType = COFF::IMAGE_SYM_TYPE_NULL;
+  COFF::SymbolComplexType ComplexType = COFF::IMAGE_SYM_DTYPE_NULL;
+  Optional<COFF::AuxiliaryFunctionDefinition> FunctionDefinition;
+  Optional<COFF::AuxiliarybfAndefSymbol> bfAndefSymbol;
+  Optional<COFF::AuxiliaryWeakExternal> WeakExternal;
+  StringRef File;
+  Optional<COFF::AuxiliarySectionDefinition> SectionDefinition;
+  Optional<COFF::AuxiliaryCLRToken> CLRToken;
+  StringRef Name;
+
+  Symbol();
+};
+
+struct PEHeader {
+  COFF::PE32Header Header;
+  Optional<COFF::DataDirectory> DataDirectories[COFF::NUM_DATA_DIRECTORIES];
+};
+
+struct Object {
+  Optional<PEHeader> OptionalHeader;
+  COFF::header Header;
+  std::vector<Section> Sections;
+  std::vector<Symbol> Symbols;
+
+  Object();
+};
+
+} // end namespace COFFYAML
+
+} // end namespace llvm
+
+LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Section)
+LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Symbol)
+LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Relocation)
+
+namespace llvm {
+namespace yaml {
+
+template <>
+struct ScalarEnumerationTraits<COFFYAML::WeakExternalCharacteristics> {
+  static void enumeration(IO &IO, COFFYAML::WeakExternalCharacteristics &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFFYAML::AuxSymbolType> {
+  static void enumeration(IO &IO, COFFYAML::AuxSymbolType &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFFYAML::COMDATType> {
+  static void enumeration(IO &IO, COFFYAML::COMDATType &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::MachineTypes> {
+  static void enumeration(IO &IO, COFF::MachineTypes &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::SymbolBaseType> {
+  static void enumeration(IO &IO, COFF::SymbolBaseType &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::SymbolStorageClass> {
+  static void enumeration(IO &IO, COFF::SymbolStorageClass &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::SymbolComplexType> {
+  static void enumeration(IO &IO, COFF::SymbolComplexType &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::RelocationTypeI386> {
+  static void enumeration(IO &IO, COFF::RelocationTypeI386 &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::RelocationTypeAMD64> {
+  static void enumeration(IO &IO, COFF::RelocationTypeAMD64 &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::RelocationTypesARM> {
+  static void enumeration(IO &IO, COFF::RelocationTypesARM &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::RelocationTypesARM64> {
+  static void enumeration(IO &IO, COFF::RelocationTypesARM64 &Value);
+};
+
+template <>
+struct ScalarEnumerationTraits<COFF::WindowsSubsystem> {
+  static void enumeration(IO &IO, COFF::WindowsSubsystem &Value);
+};
+
+template <>
+struct ScalarBitSetTraits<COFF::Characteristics> {
+  static void bitset(IO &IO, COFF::Characteristics &Value);
+};
+
+template <>
+struct ScalarBitSetTraits<COFF::SectionCharacteristics> {
+  static void bitset(IO &IO, COFF::SectionCharacteristics &Value);
+};
+
+template <>
+struct ScalarBitSetTraits<COFF::DLLCharacteristics> {
+  static void bitset(IO &IO, COFF::DLLCharacteristics &Value);
+};
+
+template <>
+struct MappingTraits<COFFYAML::Relocation> {
+  static void mapping(IO &IO, COFFYAML::Relocation &Rel);
+};
+
+template <>
+struct MappingTraits<COFFYAML::PEHeader> {
+  static void mapping(IO &IO, COFFYAML::PEHeader &PH);
+};
+
+template <>
+struct MappingTraits<COFF::DataDirectory> {
+  static void mapping(IO &IO, COFF::DataDirectory &DD);
+};
+
+template <>
+struct MappingTraits<COFF::header> {
+  static void mapping(IO &IO, COFF::header &H);
+};
+
+template <> struct MappingTraits<COFF::AuxiliaryFunctionDefinition> {
+  static void mapping(IO &IO, COFF::AuxiliaryFunctionDefinition &AFD);
+};
+
+template <> struct MappingTraits<COFF::AuxiliarybfAndefSymbol> {
+  static void mapping(IO &IO, COFF::AuxiliarybfAndefSymbol &AAS);
+};
+
+template <> struct MappingTraits<COFF::AuxiliaryWeakExternal> {
+  static void mapping(IO &IO, COFF::AuxiliaryWeakExternal &AWE);
+};
+
+template <> struct MappingTraits<COFF::AuxiliarySectionDefinition> {
+  static void mapping(IO &IO, COFF::AuxiliarySectionDefinition &ASD);
+};
+
+template <> struct MappingTraits<COFF::AuxiliaryCLRToken> {
+  static void mapping(IO &IO, COFF::AuxiliaryCLRToken &ACT);
+};
+
+template <>
+struct MappingTraits<COFFYAML::Symbol> {
+  static void mapping(IO &IO, COFFYAML::Symbol &S);
+};
+
+template <>
+struct MappingTraits<COFFYAML::Section> {
+  static void mapping(IO &IO, COFFYAML::Section &Sec);
+};
+
+template <>
+struct MappingTraits<COFFYAML::Object> {
+  static void mapping(IO &IO, COFFYAML::Object &Obj);
+};
+
+} // end namespace yaml
+} // end namespace llvm
+
+#endif // LLVM_OBJECTYAML_COFFYAML_H