I have the same problem with 9.3. LTO is removing ISR code and the used attribute is not working.
The only why I can make this work is changing the build order which is a very bad workaround of course.
I have the same problem with 9.3.
LTO is removing ISR code and the used attribute is not working.
The only why I can make this work is changing the build order which is a very bad workaround of course.