Which @angular/* package(s) are the source of the bug?

core

Is this a regression?

No

Description

In a very rare case, the control flow migration will hang during formatting and never finish processing the remaining files.

Please provide a link to a minimal reproduction of the bug

No response

Please provide the exception or error you saw

No response

Please provide the environment you discovered this bug in (run ng version)

No response

Anything else?

No response