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swift-mirror/lib/Sema
Mark Lacey f9b82bccb7 Ban IUOs in illegal positions harder under Swift 5 and later.
SE-0054 specified that the use of implicitly unwrapped optionals was
limited to just a few places, but the implementation at the time did not
completely ban the other uses. This is another attempt to do so, but
it's only on for compilations in Swift 5 mode and later.

For earlier versions, we fall back on the existing implementation.

Fixes: rdar://problem/27707015
2017-10-26 22:21:36 -07:00
..
2017-09-14 16:58:06 -07:00
2017-08-04 23:27:22 +09:00