re PR tree-optimization/65193 (ICE: Segmentation fault with -g -flto)

2015-02-27  Richard Biener  <rguenther@suse.de>

	PR lto/65193
	* g++.dg/lto/pr65193_0.C: New testcase.

From-SVN: r221050

gcc/testsuite/ChangeLog

+2015-02-27  Richard Biener  <rguenther@suse.de>
+
+	PR lto/65193
+	* g++.dg/lto/pr65193_0.C: New testcase.
+
 2015-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 
 	* gcc.target/s390/20140327-1.c: Remove -m31 and guard with ! lp64.

gcc/testsuite/g++.dg/lto/pr65193_0.C

+/* { dg-lto-do link } */
+/* { dg-require-effective-target fpic } */
+/* { dg-lto-options {{-fPIC -r -nostdlib -flto -O2 -g}} } */
+
+void frexp (int, int *);
+namespace std
+{
+  int ldexp (int, int);
+  struct A
+    {
+    };
+  template <class T> T get_min_shift_value ();
+  template <class> struct min_shift_initializer
+    {
+      struct B
+	{
+	  B () { get_min_shift_value<long double> (); }
+	} static const b;
+      static void
+	  m_fn1 ()
+	    {
+	      b;
+	    }
+    };
+  template <class T>
+      const typename min_shift_initializer<T>::B min_shift_initializer<T>::b;
+  template <class T>
+      inline T
+      get_min_shift_value ()
+	{
+	  using std::ldexp;
+	  static T c = ldexp (0, 0);
+	  min_shift_initializer<T>::m_fn1;
+	}
+  template <class T, class Policy>
+      void
+      float_next_imp (T p1, Policy p2)
+	{
+	  using std::ldexp;
+	  int d;
+	  float_next (0, p2);
+	  frexp (p1, &d);
+	}
+  template <class T, class Policy>
+      int
+      float_next (const T &p1, Policy &p2)
+	{
+	  float_next_imp (p1, p2);
+	}
+  template <class T, class Policy> void float_prior_imp (T, Policy)
+    {
+      get_min_shift_value<T> ();
+    }
+  template <class T, class Policy> int float_prior (T, Policy)
+    {
+      float_prior_imp (static_cast<T> (0), 0);
+    }
+  template <class T, class U, class Policy>
+      void
+      nextafter (T p1, U p2, Policy p3)
+	{
+	  p2 ? float_next (0, p3) : float_prior (p1, 0);
+	}
+  long double e;
+  int f;
+  void
+      nextafter ()
+	{
+	  nextafter (e, f, A ());
+	}
+}