"A connection to ${connection.route().address.url} was leaked. " +
          "Did you forget to close a response body?"
      Platform.get().logCloseableLeak(message, callReference.callStackTrace)

      references.removeAt(i)

      // If this was the last allocation, the connection is eligible for immediate eviction.
      if (references.isEmpty()) {
        connection.idleAtNs = now - keepAliveDurationNs
        return 0
      }

			fatalf("cannot load DWARF output from %s: %v", gccTmp(), err)
		}
		bo := f.ByteOrder
		symtab, err := f.Symbols()
		if err == nil {
			// Check for use of -fsanitize=hwaddress (issue 53285).
			removeTag := func(v uint64) uint64 { return v }
			if goarch == "arm64" {
				for i := range symtab {
					if symtab[i].Name == "__hwasan_init" {
						// -fsanitize=hwaddress on ARM
						// uses the upper byte of a

    val connection = this.connection!!
    connection.lock.assertHeld()

    val calls = connection.calls
    val index = calls.indexOfFirst { it.get() == this@RealCall }
    check(index != -1)

    calls.removeAt(index)
    this.connection = null

    if (calls.isEmpty()) {
      connection.idleAtNs = System.nanoTime()
      if (connectionPool.connectionBecameIdle(connection)) {
        return connection.socket()

    val events = mutableListOf<Any>()

    @Synchronized fun takeEvent(): Any {
      while (events.isEmpty()) {
        wait()
      }
      return events.removeAt(0)
    }

    @Synchronized override fun onRequest(
      streamId: Int,
      requestHeaders: List<Header>,
    ): Boolean {
      assertThat(streamId).isEqualTo(2)