1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/interface1.C b/gcc/testsuite/g++.dg/opt/interface1.C
new file mode 100644
index 000000000..850fe3840
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/interface1.C
@@ -0,0 +1,13 @@
+// { dg-do run }
+// { dg-options "-O2" }
+// { dg-additional-sources "interface1-a.cc" }
+
+#pragma implementation "interface1.h"
+
+#include "interface1.h"
+
+extern void g();
+
+int main () {
+  g();
+}