1 files changed, 3 insertions, 1 deletions
diff --git a/libcxx/test/std/re/re.regex/re.regex.construct/copy.pass.cpp b/libcxx/test/std/re/re.regex/re.regex.construct/copy.pass.cpp
index 588f673bf4f..f3db8fe0611 100644
--- a/libcxx/test/std/re/re.regex/re.regex.construct/copy.pass.cpp
+++ b/libcxx/test/std/re/re.regex/re.regex.construct/copy.pass.cpp
@@ -16,10 +16,12 @@
 #include <cassert>
 #include "test_macros.h"
 
-int main()
+int main(int, char**)
 {
     std::regex r1("(a([bc]))");
     std::regex r2 = r1;
     assert(r2.flags() == std::regex::ECMAScript);
     assert(r2.mark_count() == 2);
+
+  return 0;
 }