Index: lib/Fuzzer/test/no-coverage/CMakeLists.txt
===================================================================
--- lib/Fuzzer/test/no-coverage/CMakeLists.txt
+++ lib/Fuzzer/test/no-coverage/CMakeLists.txt
@@ -17,8 +17,11 @@
 # AFL Driver test
 ###############################################################################
 
-add_executable(AFLDriverTest
-  ../AFLDriverTest.cpp ../../afl/afl_driver.cpp)
+if(NOT MSVC)
+  # AFL is not supported on Windows.
+  add_executable(AFLDriverTest
+    ../AFLDriverTest.cpp ../../afl/afl_driver.cpp)
+endif()
 
 set_target_properties(AFLDriverTest
     PROPERTIES RUNTIME_OUTPUT_DIRECTORY