"row_count" reserved?

Tom, Stephan, Bruce, All:

I just upgraded to 7.1 RC2.  Two of my functions in the current
development database used a variable called "row_count", which had no
problems in 7.1 beta 3.  They now bomb when called from PHP4, but not
when run from PSQL.  Huh?

Changing the variable names fixed the problem, but I'd love to know
what's going on here.                -Josh Berkus

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