Switched to identifying DWP files by type instead of name.

Author: Kevin Frei

lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp

@@ -49,15 +49,16 @@ static bool IsDwpSymbolFile(const lldb::ModuleSP &module_sp,
                             const FileSpec &file_spec) {
   DataBufferSP dwp_file_data_sp;
   lldb::offset_t dwp_file_data_offset = 0;
-  // Try to create an ObjectFileELF frorm the filespace
+  // Try to create an ObjectFile from the file_spec.
   ObjectFileSP dwp_obj_file = ObjectFile::FindPlugin(
       module_sp, &file_spec, 0, FileSystem::Instance().GetByteSize(file_spec),
       dwp_file_data_sp, dwp_file_data_offset);
   if (!ObjectFileELF::classof(dwp_obj_file.get()))
     return false;
-  static ConstString sect_name_debug_cu_index(".debug_cu_index");
-  if (!dwp_obj_file || !dwp_obj_file->GetSectionList()->FindSectionByName(
-                           sect_name_debug_cu_index))
+  // The presence of a debug_cu_index section is the key identifying feature of
+  // a DWP file.
+  if (!dwp_obj_file || !dwp_obj_file->GetSectionList()->FindSectionByType(
+                           eSectionTypeDWARFDebugCuIndex, false))
     return false;
   return true;
 }