Same problem!
After this line build stuck more than 2 hours… I am using 4.27.2 Source Engine + Remote Mac build with Xcode 13.4
UATHelper: Packaging (iOS): !486 = distinct !DISubprogram(name: “silk_VAD_GetNoiseLevels”, scope: !46, file: !46, line: 299, type: !487, scopeLine: 303, flags: DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !490)