I just tried avr-gcc 12.1.0 on an old project, and got some new warning I
can't explain.

The code is:

PORTC &= 0xFE ;  //clear bit 0.

and the warning is:
warning: array subscript 0 is outside array bounds of 'volatile uint8_t[0]'
{aka 'volatile unsigned char[]'} [-Warray-bounds]

What is this warning and what array is it referring to?

Thank you!

Best Regards,

-- Royce Pereira

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