1 files changed, 19 insertions, 0 deletions
diff --git a/lib/msan/lit_tests/getaddrinfo-positive.cc b/lib/msan/lit_tests/getaddrinfo-positive.cc
new file mode 100644
index 0000000000000..f16679cc2aa26
--- /dev/null
+++ b/lib/msan/lit_tests/getaddrinfo-positive.cc
@@ -0,0 +1,19 @@
+// RUN: %clangxx_msan -m64 -O0 %s -o %t && not %t >%t.out 2>&1
+// RUN: FileCheck %s < %t.out
+// RUN: %clangxx_msan -m64 -O3 %s -o %t && not %t >%t.out 2>&1
+// RUN: FileCheck %s < %t.out
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <stdlib.h>
+
+int main(void) {
+  struct addrinfo *ai;
+  struct addrinfo hint;
+  int res = getaddrinfo("localhost", NULL, &hint, &ai);
+  // CHECK: UMR in __interceptor_getaddrinfo at offset 0 inside
+  // CHECK: WARNING: Use of uninitialized value
+  // CHECK: #0 {{.*}} in main {{.*}}getaddrinfo-positive.cc:[[@LINE-3]]
+  return 0;
+}