[PATCH] Testcase for PR65193

[Richard Biener]

Applied.

Richard.

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

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

Index: gcc/testsuite/g++.dg/lto/pr65193_0.C
===================================================================
*** gcc/testsuite/g++.dg/lto/pr65193_0.C        (revision 0)
--- gcc/testsuite/g++.dg/lto/pr65193_0.C        (working copy)
***************
*** 0 ****
--- 1,71 ----
+ /* { 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 ());
+       }
+ }