1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/pr17697-1.C b/gcc/testsuite/g++.dg/opt/pr17697-1.C
new file mode 100644
index 000000000..50a75b845
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr17697-1.C
@@ -0,0 +1,32 @@
+// PR tree-optimization/17697
+// { dg-do run }
+// { dg-options "-O2" }
+
+extern "C"
+{
+  extern int strcmp (const char *s, const char *t) throw ()
+    __attribute__ ((pure));
+}
+
+namespace A
+{
+  extern int strcmp (const char *s, const char *t);
+}
+
+inline int
+A::strcmp (const char *s, const char *t)
+{
+  return ::strcmp (s, t);
+}
+
+int
+foo (const char *x) throw ()
+{
+  return A::strcmp ("", x);
+}
+
+int
+main ()
+{
+  return foo ("") != 0 || foo ("a") == 0;
+}