 
 @inline(never)
 func runTest() {
-  for _ in 0 ..< 10_0000 {
+  for _ in 0 ..< 15_0000 {
     if lookup("\u{1F1E7}\u{1F1E7}", dict) {
       print("Found?!")
     }

let firstRun = getMemoryUsage () - baseUsage
runTest()
runTest()
let secondRun = getMemoryUsage () - baseUsage

// CHECK-NOT: Found?!

// CHECK: success
// CHECK-NOT: failure

if firstRun * 3 < secondRun && firstRun > 10_000 {
  print("failure - should not linearly increase firstRun: \(firstRun) secondRun: \(secondRun)")
} else {
  print("success firstRun: \(firstRun) secondRun: \(secondRun)")
}
