clangrefactoringbackend fails to compile with LLVM 3.8

/home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/symbolfinder.cpp:41:31: error: call to
      implicitly-deleted copy constructor of 'clang::tooling::ClangTool'
    clang::tooling::ClangTool tool = createTool();
                              ^      ~~~~~~~~~~~~
/usr/include/clang/Tooling/Tooling.h:340:21: note: copy constructor of 'ClangTool' is implicitly deleted because field
      'SeenWorkingDirectories' has a deleted copy constructor
  llvm::StringSet<> SeenWorkingDirectories;
                    ^
/usr/include/llvm/ADT/StringSet.h:23:21: note: copy constructor of 'StringSet<llvm::MallocAllocator>' is implicitly deleted
      because base class 'llvm::StringMap<char, MallocAllocator>' has a deleted copy constructor
  class StringSet : public llvm::StringMap<char, AllocatorTy> {
                    ^
/usr/include/llvm/ADT/StringMap.h:242:3: note: copy constructor is implicitly deleted because
      'StringMap<char, llvm::MallocAllocator>' has a user-declared move constructor
  StringMap(StringMap &&RHS)
  ^

/home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/symbolfinder.cpp: In member function ‘void ClangBackEnd::SymbolFinder::findSymbol()’:
/home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/symbolfinder.cpp:41:49: error: use of deleted function ‘clang::tooling::ClangTool::ClangTool(const clang::tooling::ClangTool&)’
     clang::tooling::ClangTool tool = createTool();
                                                 ^
In file included from /usr/include/clang/Tooling/Refactoring.h:23:0,
                 from /home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/clangtool.h:39,
                 from /home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/symbolfinder.h:28,
                 from /home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/symbolfinder.cpp:26:
/usr/include/clang/Tooling/Tooling.h:279:7: note: ‘clang::tooling::ClangTool::ClangTool(const clang::tooling::ClangTool&)’ is implicitly deleted because the default definition would be ill-formed:
 class ClangTool {
       ^~~~~~~~~
/usr/include/clang/Tooling/Tooling.h:279:7: error: use of deleted function ‘llvm::StringSet<>::StringSet(const llvm::StringSet<>&)’
In file included from /usr/include/llvm/Option/OptTable.h:14:0,
                 from /usr/include/llvm/Option/Option.h:15,
                 from /usr/include/clang/Tooling/Tooling.h:45,
                 from /usr/include/clang/Tooling/Refactoring.h:23,
                 from /home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/clangtool.h:39,
                 from /home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/symbolfinder.h:28,
                 from /home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/symbolfinder.cpp:26:
/usr/include/llvm/ADT/StringSet.h:23:9: note: ‘llvm::StringSet<>::StringSet(const llvm::StringSet<>&)’ is implicitly deleted because the default definition would be ill-formed:
   class StringSet : public llvm::StringMap<char, AllocatorTy> {
         ^~~~~~~~~
/usr/include/llvm/ADT/StringSet.h:23:9: error: use of deleted function ‘llvm::StringMap<char, llvm::MallocAllocator>::StringMap(const llvm::StringMap<char, llvm::MallocAllocator>&)’
In file included from /usr/include/llvm/Support/Host.h:17:0,
                 from /usr/include/llvm/ADT/Hashing.h:49,
                 from /usr/include/llvm/ADT/ArrayRef.h:13,
                 from /usr/include/clang/Tooling/CompilationDatabase.h:32,
                 from /home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/refactoringcompilationdatabase.h:34,
                 from /home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/clangtool.h:28,
                 from /home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/symbolfinder.h:28,
                 from /home/tjmaciei/src/qt/qt-creator/src/tools/clangrefactoringbackend/source/symbolfinder.cpp:26:
/usr/include/llvm/ADT/StringMap.h:218:7: note: ‘llvm::StringMap<char, llvm::MallocAllocator>::StringMap(const llvm::StringMap<char, llvm::MallocAllocator>&)’ is implicitly declared as deleted because ‘llvm::StringMap<char, llvm::MallocAllocator>’ declares a move constructor or move assignment operator
 class StringMap : public StringMapImpl {
       ^~~~~~~~~