Why Is An Execution Context Not Created Here?

Writing the following will result in the evaluation of the Function constructor function, resulting in the presence of a property on the global object pointing to a function-object

Solution 1:

Answering my own question, based on the long comment list above.

No execution context is created because execution contexts are only meaningful for user-defined code. For the internal operation of a JavaScript engine, such as the precise mechanism for the creation of the function-object Foo in the code in the question, are left to engine implementers.