commit c204037dad82ffa1a131d904e0767da9f793dab7
author Jonathan Wakely <jwakely@redhat.com> Tue May 20 13:18:52 2025 +0100
committer Jonathan Wakely <redi@gcc.gnu.org> Tue May 27 12:15:41 2025 +0100
tree b33b9a3bbc1e5d67bbd422b22ddd333e04488fe6
parent ae1c59c8de43a2cae494ce2212f44be08a629216

libstdc++: Fix PSTL test iterators

These were fixed upstream by:
https://github.com/uxlfoundation/oneDPL/pull/534
https://github.com/uxlfoundation/oneDPL/pull/546

libstdc++-v3/ChangeLog:

	* testsuite/util/pstl/test_utils.h (ForwardIterator::operator++):
	Fix return type.
	(BidirectionalIterator::operator++): Likewise.
	(BidirectionalIterator::operator--): Likewise.

(cherry picked from commit c0a2526f099dfa52df5daa1432ff583ae6af0d5f)

libstdc++-v3/testsuite/util/pstl/test_utils.h

diff --git a/libstdc++-v3/testsuite/util/pstl/test_utils.h b/libstdc++-v3/testsuite/util/pstl/test_utils.h
index 55b5100..9c61a714 100644
--- a/libstdc++-v3/testsuite/util/pstl/test_utils.h
+++ b/libstdc++-v3/testsuite/util/pstl/test_utils.h
@@ -154,7 +154,7 @@
     explicit ForwardIterator(Iterator i) : my_iterator(i) {}
     reference operator*() const { return *my_iterator; }
     Iterator operator->() const { return my_iterator; }
-    ForwardIterator
+    ForwardIterator&
     operator++()
     {
         ++my_iterator;
@@ -194,13 +194,13 @@
     explicit BidirectionalIterator(Iterator i) : base_type(i) {}
     BidirectionalIterator(const base_type& i) : base_type(i.iterator()) {}
 
-    BidirectionalIterator
+    BidirectionalIterator&
     operator++()
     {
         ++base_type::my_iterator;
         return *this;
     }
-    BidirectionalIterator
+    BidirectionalIterator&
     operator--()
     {
         --base_type::my_iterator;