[SR-8013] Swift 4.2 aborts on ADT with unknown type, can't demangle symbol #50546
Labels
access control
Feature → modifiers: Access control and access levels
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
regression
swift 4.2
Environment
Xcode 9.3. Toolchain: Swift Development Snapshot 2018-06-08 (a)
Additional Detail from JIRA
md5: 70dda8b6d0541d18da9f8c203145673a
Issue Description:
The code above uses symbols that where renamed between the SDKs that ship with Xcode 9.3 and 9.4, and causes the compiler to abort with the following error message:
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