[SR-7805] Compiler crasher, only in release build and only with recent dev snapshot #50344
Labels
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
optimized only
Flag: An issue whose reproduction requires optimized compilation
regression
swift 4.2
Attachment: Download
Environment
Xcode 9.4 (9F1027a) with
Swift Development Snapshot 2018-05-29 (a).
Additional Detail from JIRA
md5: 7ba6793946ce636d8f600efba266a88a
Issue Description:
The attached Xcode project is a simple Command Line App with only the following main.swift.
So the compiler crash can also be reproduced by compiling the following program using swiftc of a recent snapshot and -O, as shown in the comments at the end of the program, together with the resulting crash message.
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