Log Message:
-----------
Random speculation about the reason for PPC64 buildfarm failures:
maybe isalnum is returning a value with the low-order byte all zero?
Modified Files:
--------------
pgsql/src/backend/utils/adt:
formatting.c (r1.148 -> r1.149)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/formatting.c?r1=1.148&r2=1.149)