[Rd] rnorm returning NA's (PR#8635)

[jjmcnutt@gmail.com]

Full_Name: Josh McNutt
Version: 2.2.1
OS: Win XP
Submission from: (NULL) (192.88.209.232)


> which(is.na(rnorm(20000000)))
[1] 15242377

> which(is.na(rnorm(10000000)))
[1] 3692029

> which(is.na(rnorm(40000000)))
[1]  5560337  5938719 33888822

> which(is.na(rnorm(50000000)))
[1] 25231754 42397181 45085564 45363557