[Rd] as.formula("x") error on C stack limit

[András Tajti]

Dear all,
I tried to run as.formula("x") and got an error message "Error: C stack
usage  7971120 is too close to the limit" whether x exists or not. This is
not the case in as.formula("y"), where "object 'y'  not found" is the error
message if y not exists, or "invalid formula" error or a formula depending
on y. Can anyone confirm this is not my special problem, or if it is, why
it can happen?

Thank you:
András

Below the output of sessionInfo():

R version 3.3.1 (2016-06-21)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 14.04.5 LTS

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
 [3] LC_TIME=hu_HU.UTF-8        LC_COLLATE=en_US.UTF-8
 [5] LC_MONETARY=hu_HU.UTF-8    LC_MESSAGES=en_US.UTF-8
 [7] LC_PAPER=hu_HU.UTF-8       LC_NAME=C
 [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=hu_HU.UTF-8 LC_IDENTIFICATION=C

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

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