1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/pr17724-2.C b/gcc/testsuite/g++.dg/opt/pr17724-2.C
new file mode 100644
index 000000000..c9c7f2a40
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr17724-2.C
@@ -0,0 +1,23 @@
+// PR tree-optimization/17724
+// { dg-do compile }
+// { dg-options "-O2" }
+
+namespace N { char *strcpy (char *, const char *); }
+extern "C" char *strcpy (char *, const char *);
+inline char *N::strcpy (char *s, const char *t) { return ::strcpy (s, t); }
+
+struct S { ~S (); };
+int foo ();
+
+int
+main ()
+{
+  S s;
+  int a;
+  char b[64];
+  N::strcpy (b, "ABCDEFGHIJKLM");
+  while ((a = foo ()) != -1)
+    if (a)
+      return -1;
+  return 0;
+}