m.Range(func(_, _ any) bool { return true })
			}
		},
	})
}

// BenchmarkAdversarialAlloc tests performance when we store a new value
// immediately whenever the map is promoted to clean and otherwise load a
// unique, missing key.
//
// This forces the Load calls to always acquire the map's mutex.
func BenchmarkAdversarialAlloc(b *testing.B) {
	benchMap(b, bench{