[gcc r16-9553] Daily bump.

https://gcc.gnu.org/g:eea6b9c3d0783794735e363f83f15d82505ff733

commit r16-9553-geea6b9c3d0783794735e363f83f15d82505ff733
Author: GCC Administrator <[email protected]>
Date:   Wed Aug 19 00:20:53 2026 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 10 ++++++++++
 gcc/DATESTAMP           |  2 +-
 gcc/cp/ChangeLog        | 28 ++++++++++++++++++++++++++++
 gcc/fortran/ChangeLog   | 12 ++++++++++++
 gcc/testsuite/ChangeLog | 41 +++++++++++++++++++++++++++++++++++++++++
 libstdc++-v3/ChangeLog  | 27 +++++++++++++++++++++++++++
 6 files changed, 119 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1fa2233de352..8b743696a889 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2026-08-18  Jakub Jelinek  <[email protected]>
+
+	Backported from master:
+	2026-08-07  Jakub Jelinek  <[email protected]>
+
+	PR tree-optimization/126534
+	* gimple-range-op.cc (cfn_sqrt::op1_range): Widen lb or ub
+	by further 0.5ulp or 1ulp before squaring it.
+	* range-op-float.cc (float_widen_lhs_range): No longer static.
+
 2026-08-17  Ramin Moussavi  <[email protected]>
 
 	* config/microblaze/microblaze.h (DWARF_ALT_FRAME_RETURN_COLUMN):
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 96f8ad477e25..a8e78f54d93c 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260818
+20260819
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index c36d880b0a7a..4e3d483e2c5f 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,31 @@
+2026-08-18  Jakub Jelinek  <[email protected]>
+
+	Backported from master:
+	2026-08-18  Jakub Jelinek  <[email protected]>
+
+	PR c++/126867
+	* tree.cc (record_has_unique_obj_representations): Use
+	location_of (const_cast <tree> (t)) rather than
+	DECL_SOURCE_LOCATION (t).
+
+2026-08-18  Jakub Jelinek  <[email protected]>
+
+	Backported from master:
+	2026-08-18  Jakub Jelinek  <[email protected]>
+
+	PR c++/126752
+	* init.cc (build_vec_init): Assert TREE_PURPOSE of the
+	last *cleanup_flags element is rval rather than iterator.
+
+2026-08-18  Jakub Jelinek  <[email protected]>
+
+	Backported from master:
+	2026-08-18  Jakub Jelinek  <[email protected]>
+
+	PR c++/126093
+	* mangle.cc (write_reflection): Call write_unqualified_name on
+	STRIP_TEMPLATE (arg) rather than just arg.
+
 2026-08-14  Patrick Palka  <[email protected]>
 
 	Backported from master:
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index e38b78319ca8..1ea954dd6ae8 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,15 @@
+2026-08-18  Jerry DeLisle  <[email protected]>
+
+	Backported from master:
+	2026-08-17  Jerry DeLisle  <[email protected]>
+
+	PR fortran/126872
+	* trans-decl.cc (gfc_finish_var_decl): Drop the unreachable
+	hidden-visibility case in the BIND(C) block.  Do not give hidden
+	visibility to a PRIVATE module variable with a binding label.
+	(build_function_decl): Do not give hidden visibility to a PRIVATE
+	module procedure with a binding label.
+
 2026-08-16  Christopher Albert  <[email protected]>
 
 	Backported from master:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 594174fd2a7d..981044dd9367 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,44 @@
+2026-08-18  Jakub Jelinek  <[email protected]>
+
+	Backported from master:
+	2026-08-18  Jakub Jelinek  <[email protected]>
+
+	PR c++/126867
+	* g++.dg/cpp1z/has-unique-obj-representations6.C: New test.
+
+2026-08-18  Jakub Jelinek  <[email protected]>
+
+	Backported from master:
+	2026-08-18  Jakub Jelinek  <[email protected]>
+
+	PR c++/126752
+	* g++.dg/cpp0x/initlist-array25.C: New test.
+
+2026-08-18  Jakub Jelinek  <[email protected]>
+
+	Backported from master:
+	2026-08-18  Jakub Jelinek  <[email protected]>
+
+	PR c++/126093
+	* g++.dg/reflect/mangle1.C: Add 2 new tests for reflections of
+	conversion templates.
+
+2026-08-18  Jakub Jelinek  <[email protected]>
+
+	Backported from master:
+	2026-08-07  Jakub Jelinek  <[email protected]>
+
+	PR tree-optimization/126534
+	* gcc.dg/pr126534.c: New test.
+
+2026-08-18  Jerry DeLisle  <[email protected]>
+
+	Backported from master:
+	2026-08-17  Jerry DeLisle  <[email protected]>
+
+	PR fortran/126872
+	* gfortran.dg/bind_c_private_1.f90: New test.
+
 2026-08-16  Christopher Albert  <[email protected]>
 
 	Backported from master:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index d3cfc7f0de3e..4e50974adf9d 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,30 @@
+2026-08-18  Yan Churkin  <[email protected]>
+
+	Backported from master:
+	2026-07-23  Yan Churkin  <[email protected]>
+
+	PR libstdc++/125981
+	* include/bits/stl_algobase.h (__find_if): Force the predicate
+	result to bool so that non-boolean_testable predicates cannot
+	cause a past-the-end iterator to be dereferenced.
+	(__mismatch): Likewise for both overloads.
+	* include/bits/stl_heap.h (__push_heap): Likewise for the
+	comparator result.
+	* testsuite/25_algorithms/find_if/overloaded_logical_ops.cc: New
+	test.
+	* testsuite/25_algorithms/mismatch/overloaded_logical_ops.cc:
+	New test.
+
+2026-08-18  Jonathan Wakely  <[email protected]>
+
+	Backported from master:
+	2026-07-29  Jonathan Wakely  <[email protected]>
+
+	PR libstdc++/126452
+	* acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Use LC_ALL_C and
+	match both "Warning" and "warning" in ld output.
+	* configure: Regenerate.
+
 2026-08-17  Jonathan Wakely  <[email protected]>
 
 	Backported from master: