/home/***/.platformio/packages/framework-arduinosam/cores/sam/USB/USBCore.cpp: In function 'void USB_ISR()':
/home/***/.platformio/packages/framework-arduinosam/cores/sam/USB/USBCore.cpp:688:21: warning: this 'else' clause does not guard... [-Wmisleading
-indentation]
else
^~~~
/home/***/.platformio/packages/framework-arduinosam/cores/sam/USB/USBCore.cpp:690:9: note: ...this statement, but the latter is misleadingly inde
nted as if it were guarded by the 'else'
UDD_Send8(EP0, 0);
^~~~~~~~~
In USBCore.cpp the 'else' clause is missleading due to missing braces: https://github.com/arduino/ArduinoCore-sam/blob/master/cores/arduino/USB/USBCore.cpp#L689-L690