LISP: don't decrement count variables unless we know they're not zero.
authorGuy Harris <gharris@sonic.net>
Tue, 16 Nov 2021 00:44:46 +0000 (16:44 -0800)
committerGuy Harris <gharris@sonic.net>
Tue, 16 Nov 2021 00:44:46 +0000 (16:44 -0800)
commit913a9fa71293ce12b3c1dea3d93d3a97cf685625
tree3e008fd274f77957793d3848e979280840fea98a
parent459ffc95176eac694f0f1d54091a2dadc7aaec7f
LISP: don't decrement count variables unless we know they're not zero.

This fixes some undefined behavior warnings.
print-lisp.c