[gcc r11-5961] Daily bump.

[GCC Administrator <gccadmin@gcc.gnu.org>]

https://gcc.gnu.org/g:9855e8a90df518c374f83b5fbe7cb06f78ca8d36

commit r11-5961-g9855e8a90df518c374f83b5fbe7cb06f78ca8d36
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sun Dec 13 00:16:19 2020 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 26 ++++++++++++++++++++++++++
 gcc/DATESTAMP           |  2 +-
 gcc/fortran/ChangeLog   |  6 ++++++
 gcc/testsuite/ChangeLog | 23 +++++++++++++++++++++++
 libstdc++-v3/ChangeLog  | 11 +++++++++++
 5 files changed, 67 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1668d0a6c2c..bd791746673 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,29 @@
+2020-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/96685
+	* match.pd (~(X - Y) -> ~X + Y): New optimization.
+	(~X + Y -> (Y - X) - 1): Likewise.
+
+2020-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/96272
+	* tree-ssa-math-opts.c (uaddsub_overflow_check_p): Add OTHER argument.
+	Handle BIT_NOT_EXPR.
+	(match_uaddsub_overflow): Optimize unsigned a > ~b into
+	__imag__ .ADD_OVERFLOW (a, b).
+	(math_opts_dom_walker::after_dom_children): Call match_uaddsub_overflow
+	even for BIT_NOT_EXPR.
+
+2020-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/98183
+	* omp-low.c (lower_omp_target): Don't add OMP_RETURN for
+	data regions.
+	* omp-expand.c (expand_omp_target): Don't try to remove
+	OMP_RETURN for data regions.
+	(build_omp_regions_1, omp_make_gimple_edges): Don't expect
+	OMP_RETURN for data regions.
+
 2020-12-11  Nathan Sidwell  <nathan@acm.org>
 
 	* gcc.c (cpp_unique_options): Add Mmodules, Mno-modules.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index bd854f953bf..e1e0cc539b6 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201212
+20201213
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index bab5f794203..31e84ab0a00 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2020-12-12  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/98022
+	* data.c (gfc_assign_data_value): Handle inquiry references in
+	the data statement object list.
+
 2020-12-08  Tobias Burnus  <tobias@codesourcery.com>
 
 	* dump-parse-tree.c (show_omp_clauses, show_omp_node,
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d90f33faaca..4096feb27d7 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,26 @@
+2020-12-12  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/98022
+	* gfortran.dg/data_inquiry_ref.f90: New test.
+
+2020-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/96685
+	* gcc.dg/tree-ssa/pr96685-1.c: New test.
+	* gcc.dg/tree-ssa/pr96685-2.c: New test.
+	* gcc.dg/tree-ssa/pr96685-3.c: New test.
+
+2020-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/96272
+	* gcc.dg/tree-ssa/pr96272.c: New test.
+
+2020-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/98183
+	* gcc.dg/gomp/pr98183.c: New test.
+	* gcc.dg/goacc/pr98183.c: New test.
+
 2020-12-11  Jason Merrill  <jason@redhat.com>
 
 	* g++.dg/cpp2a/concepts-conv3.C: New test.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 45c3d673731..5f8e3eecd19 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,14 @@
+2020-12-12  François Dumont  <fdumont@gcc.gnu.org>
+
+	* include/debug/macros.h (__glibcxx_check_can_increment_range): Replace
+	_GLIBCXX_DEBUG_VERIFY_COND_AT usage with _GLIBCXX_DEBUG_VERIFY_AT_F.
+	(__glibcxx_check_can_decrement_range): Likewise.
+	* testsuite/25_algorithms/copy_backward/constexpr.cc (test03): New.
+	* testsuite/25_algorithms/copy/debug/constexpr_neg.cc: New test.
+	* testsuite/25_algorithms/copy_backward/debug/constexpr_neg.cc: New test.
+	* testsuite/25_algorithms/equal/constexpr_neg.cc: New test.
+	* testsuite/25_algorithms/equal/debug/constexpr_neg.cc: New test.
+
 2020-12-10  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/98226