--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/tree-ssa/loop-cond-split-1.C	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-O3 -fdump-tree-lsplit-details" } */
+
+#include <string>
+#include <map>
+
+using namespace std;
+
+class  A
+{
+public:
+  bool empty;
+  void set (string s);
+};
+
+class  B
+{
+  map<int, string> m;
+  void f ();
+};
+
+extern A *ga;
+
+void B::f ()
+{
+  for (map<int, string>::iterator iter = m.begin (); iter != m.end (); ++iter)
+    {
+      if (ga->empty)
+        ga->set (iter->second);
+    }
+}
+
+/* { dg-final { scan-tree-dump-times "loop split on semi-invariant condition at false branch" 1 "lsplit" } } */