 @inline(never)
 public func run_StringBuilder(_ N: Int) {
   for _ in 1...5000*N {
-    _ = buildString(getString("a"))
+    blackHole(buildString(getString("a")))
   }
 }
 


@inline(never)
public func run_StringWordBuilder(_ N: Int) {
  _ = buildString(word: "bumfuzzle", count: 50_000 * N, reservingCapacity: false)
}

@inline(never)
public func run_StringWordBuilderReservingCapacity(_ N: Int) {
  _ = buildString(word: "bumfuzzle", count: 50_000 * N, reservingCapacity: true)
}

@inline(never)
public func run_StringUTF16Builder(_ N: Int) {
  for _ in 1...5000*N {
    blackHole(buildStringUTF16(getString("a")))
  }
}

@inline(never)
func buildStringLong(_ i: String) -> String {
