Move command line flags out of `GHC.Driver.Session`
Related to #24477 (closed):
Move flag specific stuff out of GHC.Driver.Session
This enables importing constants (such as the implied extensions) without needing to resolve import cycles.
Related to #24477 (closed):
Move flag specific stuff out of GHC.Driver.Session
This enables importing constants (such as the implied extensions) without needing to resolve import cycles.