Re: [patch] libstdc++/64657 support iterators with overloaded comma operator

[Jonathan Wakely]

On 29/04/15 16:22 +0100, Jonathan Wakely wrote:

I think this covers all the places in the library where we do:

++i, ++j

I missed one. Tested powerpc64-linux, committed to trunk.

commit 28542877cbeae9e1da3bdc8e3a5a3053b2f0ee23
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Mon Jun 22 13:44:06 2015 +0100

    	PR libstdc++/64657
    	* include/bits/stl_uninitialized.h
    	(__uninitialized_copy::__uninit_copy): Cast expression to void.

diff --git a/libstdc++-v3/include/bits/stl_uninitialized.h b/libstdc++-v3/include/bits/stl_uninitialized.h
index 715cb58..045bdd7 100644
--- a/libstdc++-v3/include/bits/stl_uninitialized.h
+++ b/libstdc++-v3/include/bits/stl_uninitialized.h
@@ -71,7 +71,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 	  _ForwardIterator __cur = __result;
 	  __try
 	    {
-	      for (; __first != __last; ++__first, ++__cur)
+	      for (; __first != __last; ++__first, (void)++__cur)
 		std::_Construct(std::__addressof(*__cur), *__first);
 	      return __cur;
 	    }