tree 3ea2a8d06aada40f9e9d71c5b0d2001a290451f1
parent 9859a94c1002484ee5f824c05683a5b2484cbf49
author Mark Adler <madler@alumni.caltech.edu> 1436129510 -0700
committer Mark Adler <madler@alumni.caltech.edu> 1436129510 -0700

Avoid left shift of a negative value in flush rank calculation.

The C standard permits an undefined result for a left shift of a
negative value.