GCC 16 flagged this while GCC 15 did not. Because the code was in
an area which was only enabled for debug, the modification disabled
the entire debug code block and added the "(void) gpr" hint.
This warning occurs when comparing a signed variable to an unsigned one.
This addresses warnings that only occurred on 64-bit targets. For the
ones which only appeared on 64-bit targets, the cause was frequently
a mismatch when comparing a combination off_t, ssize_t, and int.