1 files changed, 16 insertions, 0 deletions
diff --git a/compiler-rt/test/msan/Linux/bzero.cpp b/compiler-rt/test/msan/Linux/bzero.cpp
new file mode 100644
index 00000000000..cb319a6cfa1
--- /dev/null
+++ b/compiler-rt/test/msan/Linux/bzero.cpp
@@ -0,0 +1,16 @@
+// RUN: %clangxx_msan -O0 %s -o %t && %run %t
+
+// REQUIRES: !android
+
+#include <assert.h>
+#include <strings.h>
+#include <sanitizer/msan_interface.h>
+
+int main(int argc, char *argv[]) {
+  char buf[100];
+  assert(0 == __msan_test_shadow(buf, sizeof(buf)));
+  // *& to suppress bzero-to-memset optimization.
+  (*&bzero)(buf, 50);
+  assert(50 == __msan_test_shadow(buf, sizeof(buf)));
+  return 0;
+}