Merge pull request #81169 from Azoy/wrap-in-feature

[stdlib] Wrap InlineArray inlinable code in new feature

Author: Azoy

stdlib/public/core/InlineArray.swift

@@ -247,11 +247,15 @@ extension InlineArray where Element: Copyable {
   @available(SwiftStdlib 6.2, *)
   @_alwaysEmitIntoClient
   public init(repeating value: Element) {
+#if $ValueGenericsNameLookup
     self = Builtin.emplace {
       let buffer = unsafe Self._initializationBuffer(start: $0)
 
       unsafe buffer.initialize(repeating: value)
     }
+#else
+    fatalError()
+#endif
   }
 }