message: Get the lang from the CompileUnit for ParseCompileUnitFunctionForPDBFunc
  Summary:
  Instead of assuming that the language is C++ instead check the compunit
  for the language it received from the debug info.
  Subscribers: aprantl, jdoerfert
diff: @@ -309,7 +309,8 @@ SymbolFilePDB::ParseCompileUnitFunctionForPDBFunc(const PDBSymbolFunc &pdb_func,
  comp_unit.AddFunction(func_sp);
  - TypeSystem *type_system = GetTypeSystemForLanguage(lldb::eLanguageTypeC_plus_plus);
  + LanguageType lang = ParseLanguage(comp_unit);
  + TypeSystem *type_system = GetTypeSystemForLanguage(lang);
  if (!type_system)
  return nullptr;
  ClangASTContext *clang_type_system =
  