Merge pull request #88 from artemcm/ReEnableNewDriver75547347

Revert "Disable swift-driver while investigating several test failures"

Author: artemcm

lit.cfg

@@ -91,10 +91,6 @@ if platform.system() == "Darwin":
     config.environment["SDKROOT"] = subprocess.check_output(
         ["xcrun", "--sdk", "macosx", "--show-sdk-path"]).strip()
 
-
-# FIXME: use the new driver to run the integration tests. rdar://75547347
-config.environment["SWIFT_USE_OLD_DRIVER"] = 'YES'
-
 # XDG_CACHE_HOME can be used to influence the position of the clang
 # module cache for all those tests that do not set that explicitly
 if 'XDG_CACHE_HOME' in os.environ: