[test] Make sure directory exists before putting a module cache in it #15197
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This test uses %swiftc_driver_plain instead of %swiftc_driver or %target-build-swift because it's testing what the driver does when invoked with no -swift-version argument, but that means we have to manually set up things like a module cache path. This will then fail if it's the first Driver test run in a clean build directory (because of where lit.py decides to put temporary files). rdar://problem/38354843
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@swift-ci Please smoke test |
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This test uses
%swiftc_driver_plaininstead of%swiftc_driveror%target-build-swiftbecause it's testing what the driver does when invoked with no-swift-versionargument, but that means we have to manually set up things like a module cache path. This will then fail if it's the first Driver test run in a clean build directory (because of where lit.py decides to put temporary files).rdar://problem/38354843