diff --git a/compiler-rt/test/fuzzer/bcmp.test b/compiler-rt/test/fuzzer/bcmp.test
--- a/compiler-rt/test/fuzzer/bcmp.test
+++ b/compiler-rt/test/fuzzer/bcmp.test
@@ -1,4 +1,4 @@
-UNSUPPORTED: freebsd
+UNSUPPORTED: freebsd, windows
 RUN: %cpp_compiler -DMEMCMP=bcmp %S/MemcmpTest.cpp -o %t
 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s
 CHECK: BINGO
diff --git a/compiler-rt/test/fuzzer/memcmp64.test b/compiler-rt/test/fuzzer/memcmp64.test
--- a/compiler-rt/test/fuzzer/memcmp64.test
+++ b/compiler-rt/test/fuzzer/memcmp64.test
@@ -1,8 +1,4 @@
 UNSUPPORTED: freebsd
 RUN: %cpp_compiler %S/Memcmp64BytesTest.cpp -o %t-Memcmp64BytesTest
 RUN: not %run %t-Memcmp64BytesTest        -seed=1 -runs=1000000   2>&1 | FileCheck %s
-
-RUN: %cpp_compiler -fno-sanitize=address -fno-builtin-memcmp %S/Memcmp64BytesTest.cpp -o %t-NoAsanMemcmp64BytesTest
-RUN: not %run %t-NoAsanMemcmp64BytesTest  -seed=1 -runs=1000000   2>&1 | FileCheck %s
-
 CHECK: BINGO
diff --git a/compiler-rt/test/fuzzer/noasan-memcmp64.test b/compiler-rt/test/fuzzer/noasan-memcmp64.test
new file mode 100644
--- /dev/null
+++ b/compiler-rt/test/fuzzer/noasan-memcmp64.test
@@ -0,0 +1,6 @@
+UNSUPPORTED: darwin, freebsd, windows
+
+RUN: %cpp_compiler -fno-sanitize=address -fno-builtin-memcmp %S/Memcmp64BytesTest.cpp -o %t-NoAsanMemcmp64BytesTest
+RUN: not %run %t-NoAsanMemcmp64BytesTest -seed=1 -runs=1000000   2>&1 | FileCheck %s
+
+CHECK: BINGO