Index: lib/Fuzzer/test/fuzzer-posix.test
===================================================================
--- /dev/null
+++ lib/Fuzzer/test/fuzzer-posix.test
@@ -0,0 +1,9 @@
+REQUIRES: posix
+
+CHECK: BINGO
+
+RUN: ASAN_OPTIONS=strict_string_checks=1 not LLVMFuzzer-StrncmpOOBTest -seed=1 -runs=1000000 2>&1 | FileCheck %s --check-prefix=STRNCMP
+STRNCMP: AddressSanitizer: heap-buffer-overflow
+STRNCMP-NOT: __sanitizer_weak_hook_strncmp
+STRNCMP: in LLVMFuzzerTestOneInput
+
Index: lib/Fuzzer/test/fuzzer-win.test
===================================================================
--- /dev/null
+++ lib/Fuzzer/test/fuzzer-win.test
@@ -0,0 +1,7 @@
+REQUIRES: windows
+
+RUN: cmd /c "SET ASAN_OPTIONS=strict_string_checks=1 && not LLVMFuzzer-StrncmpOOBTest -seed=1 -runs=1000000" 2>&1 | FileCheck %s --check-prefix=STRNCMP
+STRNCMP: AddressSanitizer: heap-buffer-overflow
+STRNCMP-NOT: __sanitizer_weak_hook_strncmp
+STRNCMP: in LLVMFuzzerTestOneInput
+
Index: lib/Fuzzer/test/fuzzer.test
===================================================================
--- lib/Fuzzer/test/fuzzer.test
+++ lib/Fuzzer/test/fuzzer.test
@@ -51,10 +51,5 @@
 RUN: LLVMFuzzer-ShrinkControlFlowTest  -exit_on_src_pos=ShrinkControlFlowTest.cpp:23 2>&1 | FileCheck %s --check-prefix=EXIT_ON_SRC_POS
 EXIT_ON_SRC_POS: INFO: found line matching '{{.*}}', exiting.
 
-RUN: ASAN_OPTIONS=strict_string_checks=1 not LLVMFuzzer-StrncmpOOBTest -seed=1 -runs=1000000 2>&1 | FileCheck %s --check-prefix=STRNCMP
-STRNCMP: AddressSanitizer: heap-buffer-overflow
-STRNCMP-NOT: __sanitizer_weak_hook_strncmp
-STRNCMP: in LLVMFuzzerTestOneInput
-
 RUN: not LLVMFuzzer-BogusInitializeTest 2>&1 | FileCheck %s --check-prefix=BOGUS_INITIALIZE
 BOGUS_INITIALIZE: argv[0] has been modified in LLVMFuzzerInitialize