Index: lib/Fuzzer/afl/afl_driver.cpp
===================================================================
--- lib/Fuzzer/afl/afl_driver.cpp
+++ lib/Fuzzer/afl/afl_driver.cpp
@@ -51,6 +51,7 @@
 */
 #include <assert.h>
 #include <chrono>
+#include <iostream>
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
@@ -264,7 +265,8 @@
   assert(N > 0);
   int num_runs = 0;
   while (__afl_persistent_loop(N)) {
-    ssize_t n_read = read(0, AflInputBuf, kMaxAflInputSize);
+    std::cin.read((char*) AflInputBuf, kMaxAflInputSize);
+    std::streamsize n_read = std::cin.gcount();
     if (n_read > 0) {
       // Copy AflInputBuf into a separate buffer to let asan find buffer
       // overflows. Don't use unique_ptr/etc to avoid extra dependencies.