Speed up roundtrip syntax tests #22653
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Running the unified diff is really slow, so first check if the strings are identical. Speeds up the roundtrip stdlib test by 8x on my machine.
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@swift-ci please smoke test |
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@swift-ci please smoke test |
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Would it be overly clever to shell out to the native |
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@harlanhaskins mentioned that we switched away from |
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Otherwsie, no that would be completely reasonable IMO. |
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Sure, hence the "if one is present". |
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Running the unified diff is really slow, so first check if the strings are identical. Speeds up the roundtrip stdlib test by 8x on my machine.