as.Date: conversion pb from POSIXct (PR#9386)

Full_Name: Xiao Gang FAN
Version: 2.4.0
OS: Windows
Submission from: (NULL) (159.50.101.9)

library(chron)
as.Date(as.POSIXct(strptime("1994-01-24","%Y-%m-%d")))

[1] "1994-01-23"