[gcc r15-10993] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:fa37bfd7f2d01858323d7b8100a154d0a526b8f9

commit r15-10993-gfa37bfd7f2d01858323d7b8100a154d0a526b8f9
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sat Mar 21 00:19:33 2026 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP           |  2 +-
 gcc/fortran/ChangeLog   | 10 ++++++++++
 gcc/testsuite/ChangeLog |  8 ++++++++
 libstdc++-v3/ChangeLog  | 16 ++++++++++++++++
 4 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 6c13f7310f8c..c7c076de63af 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260320
+20260321
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 66b14a782de9..26488a0a633f 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,13 @@
+2026-03-20  Mikael Morin  <morin-mikael@orange.fr>
+
+	Backported from master:
+	2025-09-24  Mikael Morin  <morin-mikael@orange.fr>
+
+	PR fortran/122046
+	* symbol.cc (gfc_get_procedure_ns): Try to find the namespace
+	among the list of contained namespaces before returning the
+	value from the formal_ns field.
+
 2026-03-19  Paul Thomas  <pault@gcc.gnu.org>
 
 	Backported from master:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1aecfc1f7a44..869455186ce4 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2026-03-20  Mikael Morin  <morin-mikael@orange.fr>
+
+	Backported from master:
+	2025-09-24  Mikael Morin  <morin-mikael@orange.fr>
+
+	PR fortran/122046
+	* gfortran.dg/submodule_34.f90: New test.
+
 2026-03-19  Paul Thomas  <pault@gcc.gnu.org>
 
 	Backported from master:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 12f2c9851b21..caf3c841e809 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,19 @@
+2026-03-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-03-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++20/tzdb.cc [_AIX]: Change #ifndef to #ifdef.
+
+2026-03-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-03-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/124568
+	* testsuite/24_iterators/istreambuf_iterator/105580.cc: Add
+	no_pch option.
+
 2026-03-16  Tomasz Kamiński  <tkaminsk@redhat.com>
 
 	Backported from master: