[gcc r15-11189] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:d816e81ef14f9ae71dea003b80eb574c05e8aa45

commit r15-11189-gd816e81ef14f9ae71dea003b80eb574c05e8aa45
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu May 21 00:19:18 2026 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 24 ++++++++++++++++++++++++
 gcc/DATESTAMP           |  2 +-
 gcc/fortran/ChangeLog   |  7 +++++++
 gcc/testsuite/ChangeLog | 13 +++++++++++++
 libstdc++-v3/ChangeLog  | 25 +++++++++++++++++++++++++
 5 files changed, 70 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2e458a6952c9..79f2929327dc 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,27 @@
+2026-05-20  Xi Ruoyao  <xry111@xry111.site>
+
+	Backported from master:
+	2026-05-08  Xi Ruoyao  <xry111@xry111.site>
+
+	PR target/125049
+	* config/loongarch/predicates.md (ssp_operand): New
+	define_predicate.
+	(ssp_normal_operand): New define_predicate.
+	* config/loongarch/constraints.md (ZE): New define_constraint.
+	(ZF): New define_constraint.
+	* config/loongarch/loongarch.md (UNSPEC_SSP): New unspec.
+	(cbranch4): Add "@" to create gen_cbranch4(machine_mode, ...).
+	(@stack_protect_combined_set_normal_<mode>): New define_insn.
+	(@stack_protect_combined_set_extreme_<mode>): New define_insn.
+	(@stack_protect_combined_test_internal_<mode>): New define_insn.
+	(stack_protect_combined_set): New define_expand.
+	(stack_protect_combined_test): New define_expand.
+	* config/loongarch/loongarch-protos.h
+	(loongarch_output_asm_load_canary): Declare.
+	* config/loongarch/loongarch.cc (loongarch_print_operand): Allow
+	'v' to print d/w for DImode/SImode.
+	(loongarch_output_asm_load_canary): Implement.
+
 2026-05-19  Andi Kleen  <ak@gcc.gnu.org>
 
 	PR target/125351
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 25622053d367..49fefbb3d21d 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260520
+20260521
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 663ccc579e05..5cb0ac84b3b7 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,10 @@
+2026-05-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/115260
+	* trans-expr.cc (gfc_conv_subref_array_arg): Pass false to
+	dealloc argument of gfc_trans_scalar_assign if we are
+	converting a g77-style argument.
+
 2026-05-19  Andre Vehreschild  <vehre@gcc.gnu.org>
 
 	Backported from master:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a58b7d9c648d..e3576922e316 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,16 @@
+2026-05-20  Xi Ruoyao  <xry111@xry111.site>
+
+	Backported from master:
+	2026-05-08  Xi Ruoyao  <xry111@xry111.site>
+
+	PR target/125049
+	* gcc.target/loongarch/pr125049.c: New test.
+
+2026-05-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
+
+	PR fortran/115260
+	* gfortran.dg/pr115260.f90: New test.
+
 2026-05-19  Andre Vehreschild  <vehre@gcc.gnu.org>
 
 	Backported from master:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 0f3c77833e47..a6c6ddd62298 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,28 @@
+2026-05-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-05-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++20/tzdata.zi: Import new file from 2026b release.
+
+2026-05-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-05-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc:
+	Reduce iterations for debug mode.
+
+2026-05-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-05-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/125369
+	* include/bits/chrono_io.h (__detail::_Parser::operator()):
+	Check for errors when parsing digits for a %z format.
+	* testsuite/std/time/parse/125369.cc: New test.
+
 2026-05-14  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: