1 files changed, 11 insertions, 0 deletions
diff --git a/lib/msan/lit_tests/initgroups.cc b/lib/msan/lit_tests/initgroups.cc
new file mode 100644
index 000000000000..adba5369579a
--- /dev/null
+++ b/lib/msan/lit_tests/initgroups.cc
@@ -0,0 +1,11 @@
+// RUN: %clangxx_msan -m64 -O0 %s -o %t && %t
+
+#include <sys/types.h>
+#include <grp.h>
+
+int main(void) {
+  initgroups("root", 0);
+  // The above fails unless you are root. Does not matter, MSan false positive
+  // (which we are testing for) happens anyway.
+  return 0;
+}