[gcc r15-9753] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:9e734259dc4b15982727697d88d59170e71de53d

commit r15-9753-g9e734259dc4b15982727697d88d59170e71de53d
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Mon Jun 2 00:22:54 2025 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 42f5016bedf8..5646e6e7423c 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20250601
+20250602
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index f2f5269212ff..4dfe958e86ac 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,25 @@
+2025-06-01  Patrick Palka  <ppalka@redhat.com>
+
+	Backported from master:
+	2025-05-29  Patrick Palka  <ppalka@redhat.com>
+
+	* include/std/flat_map (_Flat_map_impl::operator==): Compare
+	keys and values separately.
+
+2025-06-01  Patrick Palka  <ppalka@redhat.com>
+
+	Backported from master:
+	2025-05-29  Patrick Palka  <ppalka@redhat.com>
+		    Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/120465
+	* include/std/flat_map (_Flat_map_impl::_M_erase_if): Use a
+	projection with ranges::remove_if to pass a pair instead of
+	a tuple to the predicate.
+	* testsuite/23_containers/flat_map/1.cc (test07): Strengthen
+	to expect the argument passed to the predicate is a pair.
+	* testsuite/23_containers/flat_multimap/1.cc (test07): Likewise.
+
 2025-05-27  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: