_:nb66afb2742d54f85ad008b848e7aeef6xb1
<http://schema.org/text>
"It’s reasonably well documented there’s a bug with the OS X gcc compiler with Arduino 0013 (and 0012?) in regard to ISR routine code generation. (What makes these different from any other function as far as the compiler is concerned I’m unclear.)\n\nVarious workarounds have been discussed, but has any&hellip;"
<https://forum.arduino.cc/t/compiler-bug-w-isr-code-is-fix-pursued/46448>