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The root cause is that NormalProtocolConformance::forEachValueWitness() needs to skip protocol members that are not requirements. Otherwise we end up passing such a non-requirement member down to NormalProtocolConformance::getWitness() and hit an assert when we cannot find it. It looks like this code path was only ever hit from SourceKit. The fix moves TypeChecker::isRequirement() to a method on ValueDecl, and calls it in the right places. Fixes <https://bugs.swift.org/browse/SR-3815>.
14 lines
255 B
Swift
14 lines
255 B
Swift
// RUN: %sourcekitd-test -req=index %s -- -serialize-diagnostics-path %t.dia %s | %sed_clean > %t.response
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// RUN: diff -u %s.response %t.response
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protocol P {
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typealias Index = Int
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func f()
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}
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struct S : P {
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typealias Index = Int
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func f() {}
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}
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