Highlight 'fatal' errors during build
Highlight 'fatal' errors during build

Fix #7614

me-no-dev/Arduino-1,me-no-dev/Arduino-1,me-no-dev/Arduino-1,me-no-dev/Arduino-1,me-no-dev/Arduino-1,me-no-dev/Arduino-1,me-no-dev/Arduino-1,me-no-dev/Arduino-1