Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Object/ModuleSymbolTable.h b/linux-x64/clang/include/llvm/Object/ModuleSymbolTable.h
new file mode 100644
index 0000000..9e93228
--- /dev/null
+++ b/linux-x64/clang/include/llvm/Object/ModuleSymbolTable.h
@@ -0,0 +1,64 @@
+//===- ModuleSymbolTable.h - symbol table for in-memory IR ------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class represents a symbol table built from in-memory IR. It provides
+// access to GlobalValues and should only be used if such access is required
+// (e.g. in the LTO implementation).
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OBJECT_MODULESYMBOLTABLE_H
+#define LLVM_OBJECT_MODULESYMBOLTABLE_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/PointerUnion.h"
+#include "llvm/IR/Mangler.h"
+#include "llvm/Object/SymbolicFile.h"
+#include "llvm/Support/Allocator.h"
+#include <cstdint>
+#include <string>
+#include <utility>
+#include <vector>
+
+namespace llvm {
+
+class GlobalValue;
+
+class ModuleSymbolTable {
+public:
+ using AsmSymbol = std::pair<std::string, uint32_t>;
+ using Symbol = PointerUnion<GlobalValue *, AsmSymbol *>;
+
+private:
+ Module *FirstMod = nullptr;
+
+ SpecificBumpPtrAllocator<AsmSymbol> AsmSymbols;
+ std::vector<Symbol> SymTab;
+ Mangler Mang;
+
+public:
+ ArrayRef<Symbol> symbols() const { return SymTab; }
+ void addModule(Module *M);
+
+ void printSymbolName(raw_ostream &OS, Symbol S) const;
+ uint32_t getSymbolFlags(Symbol S) const;
+
+ /// Parse inline ASM and collect the symbols that are defined or referenced in
+ /// the current module.
+ ///
+ /// For each found symbol, call \p AsmSymbol with the name of the symbol found
+ /// and the associated flags.
+ static void CollectAsmSymbols(
+ const Module &M,
+ function_ref<void(StringRef, object::BasicSymbolRef::Flags)> AsmSymbol);
+};
+
+} // end namespace llvm
+
+#endif // LLVM_OBJECT_MODULESYMBOLTABLE_H