/usr/include/llvm-3.8/llvm/DebugInfo/PDB/ is in llvm-3.8-dev 1:3.8-2ubuntu1.
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..
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/ConcreteSymbolEnumerator.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/DIADataStream.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/DIAEnumDebugStreams.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/DIAEnumLineNumbers.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/DIAEnumSourceFiles.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/DIAEnumSymbols.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/DIALineNumber.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/DIARawSymbol.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/DIASession.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/DIASourceFile.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/DIA/DIASupport.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/IPDBDataStream.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/IPDBEnumChildren.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/IPDBLineNumber.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/IPDBRawSymbol.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/IPDBSession.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/IPDBSourceFile.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDB.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBContext.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBExtras.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymDumper.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbol.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolAnnotation.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolBlock.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolCompiland.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolCompilandDetails.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolCompilandEnv.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolCustom.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolData.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolExe.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolFunc.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolFuncDebugEnd.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolFuncDebugStart.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolLabel.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolPublicSymbol.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolThunk.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeArray.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeBaseClass.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeCustom.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeDimension.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeFriend.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeFunctionArg.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeManaged.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypePointer.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeTypedef.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeUDT.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeVTable.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolTypeVTableShape.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolUnknown.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBSymbolUsingNamespace.h
/usr/include/llvm-3.8/llvm/DebugInfo/PDB/PDBTypes.h