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[PATCH] Testcase for PR65193
- From: Richard Biener <rguenther at suse dot de>
- To: gcc-patches at gcc dot gnu dot org
- Date: Fri, 27 Feb 2015 11:18:39 +0100 (CET)
- Subject: [PATCH] Testcase for PR65193
- Authentication-results: sourceware.org; auth=none
Applied.
Richard.
2015-02-27 Richard Biener <rguenther@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 ());
+ }
+ }