[gcc r10-9700] Daily bump.

[gcc r10-9700] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:df25ad4531d4ec6c314816f587509ffb336a9842

commit r10-9700-gdf25ad4531d4ec6c314816f587509ffb336a9842
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue Apr 13 00:17:10 2021 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP           |  2 +-
 gcc/fortran/ChangeLog   |  9 +++++++++
 gcc/testsuite/ChangeLog |  8 ++++++++
 libstdc++-v3/ChangeLog  | 23 +++++++++++++++++++++++
 4 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index d61002305d5..177ba027bbe 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210412
+20210413
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index aa5932be872..8ab8f4d0125 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,12 @@
+2021-04-12  Tobias Burnus  <tobias@codesourcery.com>
+
+	Backported from master:
+	2021-04-09  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/99817
+	* trans-types.c (gfc_get_function_type): Also generate hidden
+	coarray argument for character arguments.
+
 2021-04-08  Release Manager
 
 	* GCC 10.3.0 released.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4cf6c547a7e..77daafb94e8 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2021-04-12  Tobias Burnus  <tobias@codesourcery.com>
+
+	Backported from master:
+	2021-04-09  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/99817
+	* gfortran.dg/coarray/dummy_2.f90: New test.
+
 2021-04-10  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/97973
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 8c0f50a4241..0913c65a8a9 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,26 @@
+2021-04-12  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-04-12  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/100044
+	* include/std/ranges (__detail::__iterator_sentinel_pair):
+	Remove helper concept.
+	(subrange(_Pr), subrange(Pr, __make_unsigned_like<...>)): Remove
+	deduction guides, as per LWG 3404.
+	* testsuite/std/ranges/subrange/lwg3282_neg.cc: Check that class
+	template argument deduction fails.
+
+2021-04-12  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2020-08-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/iterator_concepts.h (indirectly_readable): Add
+	partial specializations to resolve ambiguities (LWG 3446).
+	* testsuite/24_iterators/associated_types/readable.traits.cc:
+	Check types with both value_type and element_type.
+
 2021-04-09  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR bootstrap/99983