Thread.name.getter returns the name of the _calling_ thread but Thread.name.setter sets the name of the `Thread` name is called on

[weissi]

swift-corelibs-foundation/Sources/Foundation/Thread.swift

Line 290 in 0e489e9

return _name

if I have a let thread: Thread = <not the current thread> and I run

t.name = "foo"
print(t.name)

I will have set t's thread name but I will have read the calling thread's name.