SourceKitService crashes permanently when editing Swift files

Number:rdar://FB7658982 Date Originated:Apr 10, 2020
Status:Open Resolved:
Product:Xcode Product Version:Xcode 11.4 (11E146)
Classification:Crash / Bug Reproducible:Always
I edit a Swift file and all 5 seconds SourceKitServices reports a crash.


Original report had a couple of crash log attached

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