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fe54e70fce
Previously, we were inferring requirements from types within the definitions
of protocols, e.g., given something like:
protocol P {
associatedtype A: Collection
associatedtype B where A.Element == Set<B>
}
we would infer that B: Hashable. The code for doing this was actually
incorrect due to its mis-use of requirement sources, causing a few
crashers. Plus, it's not a good idea in general because it hides the
actual requirements on B. Stop doing this.
Also stop trying to infer requirements from conditional
requirements---those have already been canonicalized and minimized, so
there's nothing to infer from.
// This source file is part of the Swift.org open source project // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors // Licensed under Apache License v2.0 with Runtime Library Exception // // See https://swift.org/LICENSE.txt for license information // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors Repository: https://github.com/practicalswift/swift-compiler-crashes.git Web URL: https://github.com/practicalswift/swift-compiler-crashes