diff --git a/compiler-rt/test/fuzzer/msan.test b/compiler-rt/test/fuzzer/msan.test
--- a/compiler-rt/test/fuzzer/msan.test
+++ b/compiler-rt/test/fuzzer/msan.test
@@ -1,11 +1,9 @@
-FIXME: Fails to find BINGO on s390x.
-XFAIL: s390x
 REQUIRES: msan
 RUN: %msan_compiler %S/SimpleTestStdio.cpp -o %t
 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT
 
 RUN: %msan_compiler %S/SimpleCmpTest.cpp -o %t
-RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT
+RUN: not %run %t -seed=1 -runs=100000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT
 
 RUN: %msan_compiler %S/MemcmpTest.cpp -o %t
 RUN: not %run %t -seed=1 -runs=10000000 2>&1 | FileCheck %s --check-prefix=NO-REPORT