[pushed] libstdc++: Include missing algorithm header in priority_queue tests.

[Tomasz Kamiński]

This fixes ARM CI failing that do not user PCH.

libstdc++-v3/ChangeLog:

        * testsuite/23_containers/priority_queue/cons_from_range.cc:
        Add `#include <algorithm>.
        * testsuite/23_containers/priority_queue/members/push_range.cc:
        Add `#include <algorithm>.
---
 Tested on x86_64-linux. Preapproved by Jonathan Wakely in
 https://gcc.gnu.org/pipermail/libstdc++/2025-March/060640.html.

 .../testsuite/23_containers/priority_queue/cons_from_range.cc    | 1 +
 .../testsuite/23_containers/priority_queue/members/push_range.cc | 1 +
 2 files changed, 2 insertions(+)

diff --git 
a/libstdc++-v3/testsuite/23_containers/priority_queue/cons_from_range.cc 
b/libstdc++-v3/testsuite/23_containers/priority_queue/cons_from_range.cc
index a7ff3e3b037..977ef981b87 100644
--- a/libstdc++-v3/testsuite/23_containers/priority_queue/cons_from_range.cc
+++ b/libstdc++-v3/testsuite/23_containers/priority_queue/cons_from_range.cc
@@ -1,5 +1,6 @@
 // { dg-do run { target c++23 } }
 
+#include <algorithm>
 #include <queue>
 #include <ranges>
 #include <span>
diff --git 
a/libstdc++-v3/testsuite/23_containers/priority_queue/members/push_range.cc 
b/libstdc++-v3/testsuite/23_containers/priority_queue/members/push_range.cc
index 7ab7ad19935..2f776523168 100644
--- a/libstdc++-v3/testsuite/23_containers/priority_queue/members/push_range.cc
+++ b/libstdc++-v3/testsuite/23_containers/priority_queue/members/push_range.cc
@@ -1,5 +1,6 @@
 // { dg-do run { target c++23 } }
 
+#include <algorithm>
 #include <queue>
 #include <ranges>
 #include <span>
-- 
2.48.1