shiz

@swift-main -frontend -emit-sil -swift-version 6

class NonSendable {} protocol P { subscript(_: sending NonSendable) -> Bool { get } } struct S: P { subscript(_: sending NonSendable) -> Bool { true } }

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exit status: 134 with

swift-frontend: /home/build-user/swift/lib/AST/ASTPrinter.cpp:3763: void printParameterFlags(swift::ASTPrinter &, const swift::PrintOptions &, const swift::ParamDecl *, swift::ParameterTypeFlags, bool): Assertion `flags.isSending() && "Only valid when sending is enabled"' failed. Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace. Stack dump:

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stderr.log

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