1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/pr46640.C b/gcc/testsuite/g++.dg/opt/pr46640.C
new file mode 100644
index 000000000..0892c9ac8
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr46640.C
@@ -0,0 +1,44 @@
+// { dg-do compile { target x86_64-*-* } }
+// { dg-options "-fschedule-insns2 -fsel-sched-pipelining -fselective-scheduling2 -fno-exceptions -O" }
+
+struct QBasicAtomicInt
+{
+  int i, j;
+  bool deref ()
+  {
+    asm volatile ("":"=m" (i), "=qm" (j));
+  }
+};
+
+struct Data
+{
+  QBasicAtomicInt ref;
+  void *data;
+};
+
+struct QByteArray
+{
+  Data * d;
+  ~QByteArray ()
+  {
+    d->ref.deref ();
+  }
+};
+
+int indexOf (unsigned);
+int stat (void *, int *);
+QByteArray encodeName ();
+
+bool makeDir (unsigned len)
+{
+  unsigned i = 0;
+  while (len)
+    {
+      int st;
+      int pos = indexOf (i);
+      QByteArray baseEncoded = encodeName ();
+      if (stat (baseEncoded.d->data, &st) && stat (baseEncoded.d, &st))
+        return false;
+      i = pos;
+    }
+}