Arduino IDE compiler generates wrong path information for .ino file in .elf and GDB shows incorrect path. Actually there's no path at all in the .elf file for .ino.

Opening Arduino IDE app directly from launchpad works OK, and it opens the last .ino file on the IDE window. Once you have the IDE window opened this way, further double clicking any .ino file works ...

There is no “Arduino language” and your “.ino” files are three lines away from being standard C++. And this obfuscation hurts you as an Arduino user and artificially blocks your progress ...

Cool right?! File association with .ino files means that both MacOS and Windows users can launch the IDE directly from Finder or Explorer by double clicking the sketch file.