[Sema] Bail early in exportability checker if there's no extended type #25373
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I'm unable to reproduce this or figure out exactly when it happens, but in some circumstances we might form an extension that is marked valid but that doesn't have an extended nominal type. Add an assertion here, but don't crash if we see one of these. rdar://50401284
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@swift-ci please smoke test |
jrose-apple
approved these changes
Jun 12, 2019
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Not sure why the CMark tests failed on Linux... |
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I'm unable to reproduce this or figure out exactly when it happens, but in some
circumstances we might form an extension that is marked valid but that
doesn't have an extended nominal type. Add an assertion here, but don't
crash if we see one of these.
rdar://50401284