False positive: 'x' is detected as a global variable in function(x) x <- x

[HenrikBengtsson]

Another example of a variable being detected as a global despite it's actually one of the arguments;

print(globals::findGlobals(function(x) x <- x))
[1] "<-" "x" 

Here x should not be returned.

Source: futureverse/doFuture#56