[SR-11450] Compiler crashes with 'Illegal instruction: 4' when running MergeSwiftModule #53851
Labels
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 5.1
Attachment: Download
Environment
Xcode 11 GM
Additional Detail from JIRA
md5: 3eb76226bda89877306cdf3aee38468a
Issue Description:
This is a regression issue in Xcode 11 and caused by the compiler going into an infinite loop.
You can find the minimalistic repro case as an attachment. Compiling it will result in a crash with Xcode 11 GM.
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