[gcc r15-10930] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:eba215277faeb037dfd6742e9dff8573856c5c25

commit r15-10930-geba215277faeb037dfd6742e9dff8573856c5c25
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue Mar 10 00:19:27 2026 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 10 ++++++
 gcc/DATESTAMP           |  2 +-
 gcc/testsuite/ChangeLog |  8 +++++
 libstdc++-v3/ChangeLog  | 96 +++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 115 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 08f1f3aaafb7..006e5d62888e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2026-03-09  Kalvis Duckmanton  <kalvisd@gmail.com>
+
+	Backported from master:
+	2026-02-14  Kalvis Duckmanton  <kalvisd@gmail.com>
+
+	PR target/112400
+	* config/vax/vax.md (casesi1): Wrap naked operand 1 with a USE
+	where used with the insn split to.
+	(*casesi1): Likewise naked incoming operand 1.
+
 2026-03-08  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index dea73acc8b8f..7eb629b54e4a 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260309
+20260310
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 445f90997f49..ba1831c62c2e 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2026-03-09  Kalvis Duckmanton  <kalvisd@gmail.com>
+
+	Backported from master:
+	2026-02-14  Kalvis Duckmanton  <kalvisd@gmail.com>
+
+	PR target/112400
+	* g++.dg/torture/pr112400.C: New file.
+
 2026-03-08  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index eeb9033f674e..7c93c6cda26d 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,99 @@
+2026-03-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-02-11  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/124015
+	* include/bits/regex.tcc (regex_traits::lookup_classname): Fix
+	handling of icase parameter.
+
+2026-03-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-02-11  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/124015
+	* testsuite/28_regex/traits/char/lookup_classname.cc: Check for
+	correct result for unrecognized classname. Check that lookup is
+	case insensitive. Check that all required classnames are
+	recognized. Check that icase flag only affects "lower" and
+	"upper".
+	* testsuite/28_regex/traits/wchar_t/lookup_classname.cc:
+	Likewise.
+
+2026-03-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-02-13  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/121771
+	* include/std/tuple (tuple::tuple(const Elements&...)): Use
+	type_identity_t to prevent constructor being used for CTAD.
+	(tuple::tuple(allocator_arg_t, const A&, const Elements&...)):
+	Likewise.
+	* testsuite/20_util/tuple/cons/121771.cc: New test.
+
+2026-03-09  Xi Ruoyao  <xry111@xry111.site>
+
+	Backported from master:
+	2026-02-12  Xi Ruoyao  <xry111@xry111.site>
+		    Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/17_intro/badnames.cc (__unused): Do not define.
+	* testsuite/17_intro/names.cc [glibc == 2.43] (__unused): Undef.
+
+2026-03-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2025-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/regex.tcc (regex_traits::value): Use __c instead
+	of __ch.
+
+2026-03-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2025-11-21  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/regex_automaton.tcc [_GLIBCXX_DEBUG]: Include
+	<ostream> so that _State_base::_M_print etc. can use it.
+
+2026-03-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2025-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/regex.tcc (regex_traits::value): Implement
+	without using istringstream.
+	* include/std/regex: Do not include <sstream>.
+
+2026-03-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2025-04-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/regex_compiler.h: Replace _GLIBCXX17_CONSTEXPR
+	with constexpr and disable diagnostics with pragmas.
+	(_AnyMatcher::operator()): Use constexpr-if instead of tag
+	dispatching. Postpone calls to _M_translate until after checking
+	result of earlier calls.
+	(_AnyMatcher::_M_apply): Remove both overloads.
+	(_BracketMatcher::operator(), _BracketMatcher::_M_ready):
+	Replace tag dispatching with 'if constexpr'.
+	(_BracketMatcher::_M_apply(_CharT, true_type)): Remove.
+	(_BracketMatcher::_M_apply(_CharT, false_type)): Remove second
+	parameter.
+	(_BracketMatcher::_M_make_cache): Remove both overloads.
+	* include/bits/regex_compiler.tcc (_BracketMatcher::_M_apply):
+	Remove second parameter.
+	* include/bits/regex_executor.tcc: Replace _GLIBCXX17_CONSTEXPR
+	with constexpr and disable diagnostics with pragmas.
+	(_Executor::_M_handle_backref): Replace __glibcxx_assert with
+	static_assert.
+	(_Executor::_M_handle_accept): Mark _S_opcode_backref case as
+	unreachable for non-DFS mode and do not instantiate
+	_M_handle_backref for that case.
+
 2026-03-04  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: