[R-SIG-Mac] R crashes using Command + D shortcut

[C W]

Dear R list,

I finally can't stand this anymore.  I generally use Command + D to change
directory.

A scenario would be:

1) I start R, change directory to deskopt (no problem)

2) Type a few lines of code...

3) try to change directory again, CRASH!

I just don't get it, why?  If it is something like memory allocation, I can
understand, but it's a keyboard shortcut.  This has been happening for the
past year.  So, it is not a specific OS X update, or specific R update.

> sessionInfo()
R version 3.3.2 (2016-10-31)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: macOS Sierra 10.12.1

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

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

Thanks!

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