[gcc r15-11343] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:3ff6d67335f853d1cdb0c38ef1f707bf2fd87a07

commit r15-11343-g3ff6d67335f853d1cdb0c38ef1f707bf2fd87a07
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Fri Jul 3 00:20:42 2026 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP           |  2 +-
 gcc/testsuite/ChangeLog |  8 ++++++++
 libstdc++-v3/ChangeLog  | 29 +++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index ad088ccf4d9e..e0b5151540e1 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260702
+20260703
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 0278ede523bf..42d4efbe572b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2026-07-02  Christophe Lyon  <christophe.lyon@arm.com>
+
+	Backported from master:
+	2026-01-27  Christophe Lyon  <christophe.lyon@arm.com>
+
+	* gcc.target/arm/mve/intrinsics/vdupq_n_f32.c: Update expected
+	code.
+
 2026-07-01  Stefan Schulze Frielinghaus  <stefansf@gcc.gnu.org>
 
 	Backported from master:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 227f5fc2baac..0ff36f38adc1 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,32 @@
+2026-07-02  Yi Chen  <chencyy@hygon.cn>
+
+	Backported from master:
+	2026-07-01  Yi Chen  <chencyy@hygon.cn>
+
+	* src/c++11/random.cc (random_device::_M_init): Add signature_HYGON_ebx to
+	the RDSEED and RDRAND CPUID vendor allowlists.  For the default device on
+	Hygon, prefer RDRAND via a dedicated check at the top of the function.
+
+2026-07-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-06-25  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/125956
+	* src/c++20/format.cc [_GLIBCXX_HAVE_ICONV] (iconv_input): New
+	concept.
+	(__encoding::conv) [_GLIBCXX_HAVE_ICONV]: Use iconv_input to
+	decide which type to cast the input pointer to.
+
+2026-07-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-06-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/118158
+	* testsuite/27_io/filesystem/operations/pr118158.cc: Add
+	dg-require-mkfifo.
+
 2026-06-25  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master: