[gcc r11-2931] Daily bump.

[gcc r11-2931] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:8f7ea26ae325f796c4873089acdfd2b1f1d2520f

commit r11-2931-g8f7ea26ae325f796c4873089acdfd2b1f1d2520f
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sat Aug 29 00:16:21 2020 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 111 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/c-family/ChangeLog  |   4 ++
 gcc/c/ChangeLog         |   6 +++
 gcc/fortran/ChangeLog   |  12 ++++++
 gcc/jit/ChangeLog       |   5 +++
 gcc/testsuite/ChangeLog |  73 +++++++++++++++++++++++++++++++
 libstdc++-v3/ChangeLog  |  28 ++++++++++++
 8 files changed, 240 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d0759b8f50d..6d9084327a2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,114 @@
+2020-08-28  Martin Sebor  <msebor@redhat.com>
+
+	* attribs.c (init_attr_rdwr_indices): Use global access_mode.
+	* attribs.h (struct attr_access): Same.
+	* builtins.c (fold_builtin_strlen): Add argument.
+	(compute_objsize): Declare.
+	(get_range): Declare.
+	(check_read_access): New function.
+	(access_ref::access_ref): Define ctor.
+	(warn_string_no_nul): Add arguments.  Handle -Wstrintop-overread.
+	(check_nul_terminated_array): Handle source strings of different
+	ranges of sizes.
+	(expand_builtin_strlen): Remove warning code, call check_read_access
+	instead.  Declare locals closer to their initialization.
+	(expand_builtin_strnlen): Same.
+	(maybe_warn_for_bound): New function.
+	(warn_for_access): Remove argument.  Handle -Wstrintop-overread.
+	(inform_access): Change argument type.
+	(get_size_range): New function.
+	(check_access): Remove unused arguments.  Add new arguments.  Handle
+	-Wstrintop-overread.  Move warning code to helpers and call them.
+	Call check_nul_terminated_array.
+	(check_memop_access): Remove unnecessary and provide additional
+	arguments in calls.
+	(expand_builtin_memchr): Call check_read_access.
+	(expand_builtin_strcat): Remove unnecessary and provide additional
+	arguments in calls.
+	(expand_builtin_strcpy): Same.
+	(expand_builtin_strcpy_args): Same.  Avoid testing no-warning bit.
+	(expand_builtin_stpcpy_1): Remove unnecessary and provide additional
+	arguments in calls.
+	(expand_builtin_stpncpy): Same.
+	(check_strncat_sizes): Same.
+	(expand_builtin_strncat): Remove unnecessary and provide additional
+	arguments in calls.  Adjust comments.
+	(expand_builtin_strncpy): Remove unnecessary and provide additional
+	arguments in calls.
+	(expand_builtin_memcmp): Remove warning code.  Call check_access.
+	(expand_builtin_strcmp): Call check_access instead of
+	check_nul_terminated_array.
+	(expand_builtin_strncmp): Handle -Wstrintop-overread.
+	(expand_builtin_fork_or_exec): Call check_access instead of
+	check_nul_terminated_array.
+	(expand_builtin): Same.
+	(fold_builtin_1): Pass additional argument.
+	(fold_builtin_n): Same.
+	(fold_builtin_strpbrk): Remove calls to check_nul_terminated_array.
+	(expand_builtin_memory_chk): Add comments.
+	(maybe_emit_chk_warning): Remove unnecessary and provide additional
+	arguments in calls.
+	(maybe_emit_sprintf_chk_warning): Same.  Adjust comments.
+	* builtins.h (warn_string_no_nul): Add arguments.
+	(struct access_ref): Add member and ctor argument.
+	(struct access_data): Add members and ctor.
+	(check_access): Adjust signature.
+	* calls.c (maybe_warn_nonstring_arg): Return an indication of
+	whether a warning was issued.  Issue -Wstrintop-overread instead
+	of -Wstringop-overflow.
+	(append_attrname): Adjust to naming changes.
+	(maybe_warn_rdwr_sizes): Same.  Remove unnecessary and provide
+	additional arguments in calls.
+	* calls.h (maybe_warn_nonstring_arg): Return bool.
+	* doc/invoke.texi (-Wstringop-overread): Document new option.
+	* gimple-fold.c (gimple_fold_builtin_strcpy): Provide an additional
+	argument in call.
+	(gimple_fold_builtin_stpcpy): Same.
+	* tree-ssa-uninit.c (maybe_warn_pass_by_reference): Adjust to naming
+	changes.
+	* tree.h (enum access_mode): New type.
+
+2020-08-28  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	* config/rs6000/rs6000.c (rs6000_call_aix): Remove test for r12.
+	(rs6000_sibcall_aix): Likewise.
+
+2020-08-28  Andrew Stubbs  <ams@codesourcery.com>
+
+	* config/gcn/gcn-tree.c (gcn_goacc_get_worker_red_decl): Add "true"
+	parameter to vec_safe_grow_cleared.
+
+2020-08-28  Martin Sebor  <msebor@redhat.com>
+
+	* ggc-common.c (gt_pch_save): Add argument to a call.
+
+2020-08-28  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
+
+	PR target/96357
+	* config/aarch64/aarch64-sve.md
+	(cond_sub<mode>_relaxed_const): Updated and renamed from
+	cond_sub<mode>_any_const pattern.
+	(cond_sub<mode>_strict_const): New pattern.
+
+2020-08-28  Wei Wentao  <weiwt.fnst@cn.fujitsu.com>
+
+	* doc/rtl.texi: Fix typo.
+
+2020-08-28  Uros Bizjak    <ubizjak@gmail.com>
+
+	PR target/96744
+	* config/i386/i386-expand.c (split_double_mode): Also handle
+	E_P2HImode and E_P2QImode.
+	* config/i386/sse.md (MASK_DWI): New define_mode_iterator.
+	(mov<mode>): New expander for P2HI,P2QI.
+	(*mov<mode>_internal): New define_insn_and_split to split
+	movement of P2QI/P2HI to 2 movqi/movhi patterns after reload.
+
+2020-08-28  liuhongt  <hongtao.liu@intel.com>
+
+	* common/config/i386/i386-common.c (ix86_handle_option): Set
+	AVX512DQ when AVX512VP2INTERSECT exists.
+
 2020-08-27  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/65146
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 7cd20fae38d..cb50c2bdf0d 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20200828
+20200829
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 1eaa99f31e6..54f661f6c88 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,7 @@
+2020-08-28  Martin Sebor  <msebor@redhat.com>
+
+	* c.opt (Wstringop-overread): New option.
+
 2020-08-11  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/96545
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 91a278e542b..da8ad54fe9d 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,9 @@
+2020-08-28  Martin Sebor  <msebor@redhat.com>
+
+	PR c/96596
+	* c-decl.c (match_builtin_function_types): Avoid dealing with erroneous
+	argument type.
+
 2020-08-27  Martin Liska  <mliska@suse.cz>
 
 	* gimple-parser.c (c_parser_gimple_compound_statement): Set exact argument of a vector
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 29d6103b1ae..c431561aab2 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,15 @@
+2020-08-28  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/94672
+	* trans-array.c (gfc_trans_g77_array): Check against the parm decl and
+	set the nonparm decl used for the is-present check to NULL if absent.
+
+2020-08-28  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/96624
+	* simplify.c (gfc_simplify_reshape): Detect zero shape and
+	clear index if found.
+
 2020-08-27  Mark Eggleston  <markeggleston@gcc.gnu.org>
 
 	PR fortran/95882
diff --git a/gcc/jit/ChangeLog b/gcc/jit/ChangeLog
index 2389f2910cc..0191ebf8b8d 100644
--- a/gcc/jit/ChangeLog
+++ b/gcc/jit/ChangeLog
@@ -1,3 +1,8 @@
+2020-08-28  Martin Sebor  <msebor@redhat.com>
+
+	* jit-recording.c (recording::switch_::make_debug_string): Add argument
+	to a call.
+
 2020-08-22  Andrea Corallo  <andrea.corallo@arm.com>
 
 	* libgccjit.c:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d54bb9bd54f..074ca6f3bff 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,76 @@
+2020-08-28  Martin Sebor  <msebor@redhat.com>
+
+	* c-c++-common/Warray-bounds-7.c: Adjust expected warnings.
+	* c-c++-common/Wrestrict.c: Remove xfail.
+	* c-c++-common/attr-nonstring-3.c: Adjust text of expected warnings.
+	* c-c++-common/attr-nonstring-6.c: Suppress -Wstringop-overread
+	instead of -Wstringop-overflow.
+	* c-c++-common/attr-nonstring-8.c: Adjust text of expected warnings.
+	* g++.dg/torture/Wsizeof-pointer-memaccess1.C: Also suppress
+	 -Wstringop-overread.
+	* g++.dg/torture/Wsizeof-pointer-memaccess2.C: Same.
+	* gcc.dg/Warray-bounds-39.c: Adjust expected warnings.
+	* gcc.dg/Warray-bounds-40.c: Also suppress -Wstringop-overread.
+	* gcc.dg/Warray-bounds-58.c: Remove xfail.  Also expect
+	-Wstringop-overread.  Adjust text of expected warnings.
+	* gcc.dg/Wsizeof-pointer-memaccess1.c: Also suppress
+	 -Wstringop-overread.
+	* gcc.dg/Wstringop-overflow-22.c: Adjust text of expected warnings.
+	* gcc.dg/Wstringop-overflow-33.c: Expect -Wstringop-overread.
+	* gcc.dg/Wstringop-overflow-9.c: Expect -Wstringop-overread.
+	* gcc.dg/attr-nonstring-2.c: Adjust text of expected warnings.
+	* gcc.dg/attr-nonstring-3.c: Same.
+	* gcc.dg/attr-nonstring-4.c: Same.
+	* gcc.dg/attr-nonstring.c: Expect -Wstringop-overread.
+	* gcc.dg/builtin-stringop-chk-5.c: Adjust comment.
+	* gcc.dg/builtin-stringop-chk-8.c: Enable -Wstringop-overread instead
+	of -Wstringop-overflow.
+	* gcc.dg/pr78902.c: Also expect -Wstringop-overread.
+	* gcc.dg/pr79214.c: Adjust text of expected warnings.
+	* gcc.dg/strcmpopt_10.c: Suppress valid -Wno-stringop-overread.
+	* gcc.dg/strlenopt-57.c: Also expect -Wstringop-overread.
+	* gcc.dg/torture/Wsizeof-pointer-memaccess1.c: Also suppress valid
+	-Wno-stringop-overread.
+	* gcc.dg/tree-ssa/builtins-folding-gimple-ub.c: Same.
+	* gcc.dg/uninit-33.c: Same.
+	* gcc.dg/warn-strnlen-no-nul-2.c: Adjust text of expected warning.
+	* gcc.dg/warn-strnlen-no-nul.c: Same.
+	* gcc.target/i386/strcmpopt_6.c: Suppress -Wstringop-overread.
+	* gcc.dg/Wstringop-overread-2.c: New test.
+	* gcc.dg/Wstringop-overread.c: New test.
+
+2020-08-28  Martin Sebor  <msebor@redhat.com>
+
+	PR c/96596
+	* gcc.dg/Wbuiltin-declaration-mismatch-16.c: New test.
+
+2020-08-28  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/94672
+	* gfortran.dg/optional_assumed_charlen_2.f90: New test.
+
+2020-08-28  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
+
+	PR target/96357
+	* gcc.target/aarch64/sve/pr96357.c: New test.
+
+2020-08-28  Alex Coplan  <alex.coplan@arm.com>
+
+	* gcc.target/aarch64/mem-shift-canonical.c: Skip on ILP32.
+
+2020-08-28  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/96624
+	* gfortran.dg/reshape_8.f90 : New test.
+
+2020-08-28  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	* gcc.dg/pr96579.c: Compile only with target dfp.
+
+2020-08-28  Uros Bizjak    <ubizjak@gmail.com>
+
+	* gcc.target/i386/double_mask_reg-1.c: New test.
+
 2020-08-27  John David Anglin  <danglin@gcc.gnu.org>
 
 	* gcc.target/hppa/shadd-2.c: Adjust times to 4.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 05f47b99f43..fa32bdee105 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,31 @@
+2020-08-28  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/std/chrono (common_type): Fix partial specializations
+	for a single duration type to use the common_type of the rep.
+	(duration::operator+, duration::operator-): Fix return types
+	to also use the common_type of the rep.
+	* testsuite/20_util/duration/requirements/reduced_period.cc:
+	Check duration using a rep that has common_type specialized.
+
+2020-08-28  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/92978
+	* include/std/numeric (__abs_integral): Replace with ...
+	(__detail::__absu): New function template that returns an
+	unsigned type, guaranteeing it can represent the most
+	negative signed value.
+	(__detail::__gcd, __detail::__lcm): Require arguments to
+	be unsigned and therefore already non-negative.
+	(gcd, lcm): Convert arguments to absolute value as unsigned
+	type before calling __detail::__gcd or __detail::__lcm.
+	* include/experimental/numeric (gcd, lcm): Likewise.
+	* testsuite/26_numerics/gcd/gcd_neg.cc: Adjust expected
+	errors.
+	* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
+	* testsuite/26_numerics/gcd/92978.cc: New test.
+	* testsuite/26_numerics/lcm/92978.cc: New test.
+	* testsuite/experimental/numeric/92978.cc: New test.
+
 2020-08-27  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/std/chrono (__duration_common_type): Ensure the