 
 @inline(never)
 public func run_EqualSubstringSubstring(_ N: Int) {
-  let (_, a) = equivalentWithDistinctBuffers()
-  let (_, b) = equivalentWithDistinctBuffers()
+  let (_, a) = (s1, ss1)
+  let (_, b) = (s2, ss2)
   for _ in 1...N*500 {
     blackHole(a == b)
   }

/*
@inline(never)
public func run _LessStringSubstring(_ N: Int) {
  let (a, b) = equivalentWithDistinctBuffers()
  for _ in 1...N*500 {
    blackHole(a < b)
  }


@inline(never)
public func run _EqualSubstringSubstringGenericStringProtocol(_ N: Int) {
  let (_, a) = (s1, ss1)
  let (_, b) = (s2, ss2)
  for _ in 1...N*500 {
    checkEqual(a, b)
  }
