rleid on vector drop names by reference on it's input

[jangorecki]

latest 1.9.7

library(data.table)
x = c("a"=TRUE, "b"=FALSE)
print(x)
#    a     b 
# TRUE FALSE
r = rleid(x)
print(x)
# [1]  TRUE FALSE

R version 3.2.2 (2015-08-14)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 14.04.3 LTS

locale:
 [1] LC_CTYPE=en_GB.UTF-8       LC_NUMERIC=C               LC_TIME=en_GB.UTF-8        LC_COLLATE=en_GB.UTF-8     LC_MONETARY=en_GB.UTF-8    LC_MESSAGES=en_GB.UTF-8   
 [7] LC_PAPER=en_GB.UTF-8       LC_NAME=C                  LC_ADDRESS=C               LC_TELEPHONE=C             LC_MEASUREMENT=en_GB.UTF-8 LC_IDENTIFICATION=C       

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] R6_2.1.1         data.table_1.9.7

loaded via a namespace (and not attached):
[1] tools_3.2.2  Rserve_1.7-3 rolap_0.1    chron_2.3-47