[PATCH 3/4] libstdc++: Add a test range type that has a sized sentinel

[Jonathan Wakely]

On 03/03/20 11:30 -0500, Patrick Palka wrote:
>This adds a test range type whose end() is a sized sentinel to
><testsuite_iterators.h>, which will be used in the tests that verify LWG 3355.
>
>libstdc++-v3/ChangeLog:
>
>	* testsuite/util/testsuite_iterators.h (test_range::get_iterator): Make
>	protected instead of private.
>	(test_sized_range_sized_sent): New.
>---
> .../testsuite/util/testsuite_iterators.h      | 32 +++++++++++++++++++
> 1 file changed, 32 insertions(+)
>
>diff --git a/libstdc++-v3/testsuite/util/testsuite_iterators.h b/libstdc++-v3/testsuite/util/testsuite_iterators.h
>index e47b2b03e40..756940ed092 100644
>--- a/libstdc++-v3/testsuite/util/testsuite_iterators.h
>+++ b/libstdc++-v3/testsuite/util/testsuite_iterators.h
>@@ -735,6 +735,7 @@ namespace __gnu_test
> 	  { return i.ptr - s.end; }
> 	};
>
>+    protected:
>       auto
>       get_iterator(T* p)
>       {
>@@ -812,6 +813,37 @@ namespace __gnu_test
>     using test_output_sized_range
>       = test_sized_range<T, output_iterator_wrapper>;
>
>+  // A type meeting the minimum std::sized_range requirements, and whose end()
>+  // returns a size sentinel.

s/size/sized/ here, no?

OK for master.