[gcc r12-2342] Daily bump.

GCC Administrator gccadmin@gcc.gnu.org
Fri Jul 16 00:17:03 GMT 2021


https://gcc.gnu.org/g:d97d71a1989e9ee8e1b8563b351c42b7732da108

commit r12-2342-gd97d71a1989e9ee8e1b8563b351c42b7732da108
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Fri Jul 16 00:16:25 2021 +0000

    Daily bump.

Diff:
---
 ChangeLog               |   4 ++
 gcc/ChangeLog           | 152 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/analyzer/ChangeLog  | 148 ++++++++++++++++++++++++++++++++++++++++++++++
 gcc/c-family/ChangeLog  |   6 ++
 gcc/c/ChangeLog         |   6 ++
 gcc/cp/ChangeLog        |  12 ++++
 gcc/testsuite/ChangeLog | 125 +++++++++++++++++++++++++++++++++++++++
 libgcc/ChangeLog        |   6 ++
 libstdc++-v3/ChangeLog  |  22 +++++++
 10 files changed, 482 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index c1520f2489f..65e6a94e2bd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2021-07-15  Trevor Saunders  <tbsaunde@tbsaunde.org>
+
+	* MAINTAINERS: Add myself to DCO section.
+
 2021-07-09  Iain Sandoe  <iain@sandoe.co.uk>
 
 	* configure: Regenerate.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e6c88f20c0e..47772d9ff44 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,155 @@
+2021-07-15  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/101346
+	* config/i386/i386.h (VALID_SSE_REG_MODE): Add TDmode.
+	(VALID_INT_MODE_P): Add SDmode and DDmode.
+	Add TDmode for TARGET_64BIT.
+	(VALID_DFP_MODE_P): Remove.
+	* config/i386/i386.c (ix86_hard_regno_mode_ok):
+	Do not use VALID_DFP_MODE_P.
+
+2021-07-15  Andrew MacLeod  <amacleod@redhat.com>
+
+	* gimple-range-fold.cc (adjust_pointer_diff_expr): Use
+	gimple_range_type.
+	(fold_using_range::fold_stmt): Ditto.
+	(fold_using_range::range_of_range_op): Ditto.
+	(fold_using_range::range_of_phi): Ditto.
+	(fold_using_range::range_of_call): Ditto.
+	(fold_using_range::range_of_builtin_ubsan_call): Ditto.
+	(fold_using_range::range_of_builtin_call): Ditto.
+	(fold_using_range::range_of_cond_expr): Ditto.
+	* gimple-range-fold.h (gimple_range_type): New.
+
+2021-07-15  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/97027
+	* tree-ssa-strlen.c (handle_assign): New function.
+	(maybe_warn_overflow): Add argument.
+	(nonzero_bytes_for_type): New function.
+	(count_nonzero_bytes): Handle more tree types.  Call
+	nonzero_bytes_for_tye.
+	(count_nonzero_bytes): Handle types.
+	(handle_store): Handle stores from function calls.
+	(strlen_check_and_optimize_call): Move code to handle_assign.  Call
+	it for assignments from function calls.
+
+2021-07-15  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/95006
+	PR analyzer/94713
+	PR analyzer/94714
+	* doc/invoke.texi: Add -Wanalyzer-use-of-uninitialized-value.
+
+2021-07-15  David Malcolm  <dmalcolm@redhat.com>
+
+	* doc/invoke.texi (-fdump-analyzer-exploded-paths): New.
+
+2021-07-15  Martin Sebor  <msebor@redhat.com>
+
+	PR c/101289
+	PR c/97548
+	* fold-const.c (operand_compare::operand_equal_p): Handle OEP_DECL_NAME.
+	(operand_compare::verify_hash_value): Same.
+	* tree-core.h (OEP_DECL_NAME): New.
+
+2021-07-15  Martin Jambor  <mjambor@suse.cz>
+
+	* profile-count.h (profile_count::value): Change the return type to
+	uint64_t.
+	* gimple-pretty-print.c (dump_gimple_bb_header): Adjust print
+	statement.
+	* tree-cfg.c (dump_function_to_file): Likewise.
+
+2021-07-15  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	PR target/101129
+	* config/rs6000/rs6000-p8swap.c (has_part_mult): New.
+	(rs6000_analyze_swaps): Insns containing a subreg of a mult are
+	not swappable.
+
+2021-07-15  Richard Biener  <rguenther@suse.de>
+
+	* tree-vectorizer.h (vect_gen_while): Match up with
+	vect_gen_while_not.
+	* tree-vect-stmts.c (vect_gen_while): Adjust API to that
+	of vect_gen_while_not.
+	(vect_gen_while_not): Adjust.
+	* tree-vect-loop-manip.c (vect_set_loop_controls_directly): Likewise.
+
+2021-07-15  Aldy Hernandez  <aldyh@redhat.com>
+
+	* gimple-range-cache.cc (non_null_ref::adjust_range): New.
+	(ranger_cache::range_of_def): Call adjust_range.
+	(ranger_cache::entry_range): Same.
+	* gimple-range-cache.h (non_null_ref::adjust_range): New.
+	* gimple-range.cc (gimple_ranger::range_of_expr): Call
+	adjust_range.
+	(gimple_ranger::range_on_entry): Same.
+
+2021-07-15  Tamar Christina  <tamar.christina@arm.com>
+
+	Revert:
+	2021-07-14  Tamar Christina  <tamar.christina@arm.com>
+
+	* config/arm/neon.md (<sup>dot_prod<vsi2qi>): Drop statements.
+
+2021-07-15  Tamar Christina  <tamar.christina@arm.com>
+
+	Revert:
+	2021-07-14  Tamar Christina  <tamar.christina@arm.com>
+
+	* config/aarch64/aarch64-simd-builtins.def (udot, sdot): Rename to...
+	(sdot_prod, udot_prod): ...These.
+	* config/aarch64/aarch64-simd.md (<sur>dot_prod<vsi2qi>): Remove.
+	(aarch64_<sur>dot<vsi2qi>): Rename to...
+	(<sur>dot_prod<vsi2qi>): ...This.
+	* config/aarch64/arm_neon.h (vdot_u32, vdotq_u32, vdot_s32, vdotq_s32):
+	Update builtins.
+
+2021-07-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/101437
+	* gimplify.c (gimplify_expr): Throw away volatile reads from empty
+	types even if they have non-BLKmode TYPE_MODE.
+
+2021-07-15  Richard Biener  <rguenther@suse.de>
+
+	PR driver/101383
+	* gcc.c (process_command): Process -gtoggle like process_options
+	would after parsing options.
+
+2021-07-15  Trevor Saunders  <tbsaunde@tbsaunde.org>
+
+	* cfgexpand.c (expand_asm_loc): Adjust.
+	(expand_asm_stmt): Likewise.
+	* config/arm/aarch-common-protos.h (arm_md_asm_adjust): Likewise.
+	* config/arm/aarch-common.c (arm_md_asm_adjust): Likewise.
+	* config/arm/arm.c (thumb1_md_asm_adjust): Likewise.
+	* config/avr/avr.c (avr_md_asm_adjust): Likewise.
+	* config/cris/cris.c (cris_md_asm_adjust): Likewise.
+	* config/i386/i386.c (ix86_md_asm_adjust): Likewise.
+	* config/mn10300/mn10300.c (mn10300_md_asm_adjust): Likewise.
+	* config/nds32/nds32.c (nds32_md_asm_adjust): Likewise.
+	* config/pdp11/pdp11.c (pdp11_md_asm_adjust): Likewise.
+	* config/rs6000/rs6000.c (rs6000_md_asm_adjust): Likewise.
+	* config/s390/s390.c (s390_md_asm_adjust): Likewise.
+	* config/vax/vax.c (vax_md_asm_adjust): Likewise.
+	* config/visium/visium.c (visium_md_asm_adjust): Likewise.
+	* doc/tm.texi: Regenerate.
+	* target.def: Add location argument to md_asm_adjust.
+
+2021-07-15  Trevor Saunders  <tbsaunde@tbsaunde.org>
+
+	* tree-diagnostic.c (diagnostic_report_current_function): Use the
+	diagnostic's location, not input_location.
+
+2021-07-15  Trevor Saunders  <tbsaunde@tbsaunde.org>
+
+	* cfgexpand.c (tree_conflicts_with_clobbers_p): Pass location to
+	diagnostics.
+	(expand_asm_stmt): Likewise.
+
 2021-07-14  Peter Bergner  <bergner@linux.ibm.com>
 
 	* config/rs6000/rs6000.c (adjacent_mem_locations): Return the lower
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 9070a2a21d5..16244c60afd 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210715
+20210716
diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index f0b2d966a3e..e6bd95c31e3 100644
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,151 @@
+2021-07-15  David Malcolm  <dmalcolm@redhat.com>
+
+	* svalue.h (is_a_helper <placeholder_svalue *>::test): Make
+	param and template param const.
+	(is_a_helper <widening_svalue *>::test): Likewise.
+	(is_a_helper <compound_svalue *>::test): Likewise.
+	(is_a_helper <conjured_svalue *>::test): Likewise.
+
+2021-07-15  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/95006
+	PR analyzer/94713
+	PR analyzer/94714
+	* analyzer.cc (maybe_reconstruct_from_def_stmt): Split out
+	GIMPLE_ASSIGN case into...
+	(get_diagnostic_tree_for_gassign_1): New.
+	(get_diagnostic_tree_for_gassign): New.
+	* analyzer.h (get_diagnostic_tree_for_gassign): New decl.
+	* analyzer.opt (Wanalyzer-write-to-string-literal): New.
+	* constraint-manager.cc (class svalue_purger): New.
+	(constraint_manager::purge_state_involving): New.
+	* constraint-manager.h
+	(constraint_manager::purge_state_involving): New.
+	* diagnostic-manager.cc (saved_diagnostic::supercedes_p): New.
+	(dedupe_winners::handle_interactions): New.
+	(diagnostic_manager::emit_saved_diagnostics): Call it.
+	* diagnostic-manager.h (saved_diagnostic::supercedes_p): New decl.
+	* engine.cc (impl_region_model_context::warn): Convert return type
+	to bool.  Return false if the diagnostic isn't saved.
+	(impl_region_model_context::purge_state_involving): New.
+	(impl_sm_context::get_state): Use NULL ctxt when querying old
+	rvalue.
+	(impl_sm_context::set_next_state): Use new sval when querying old
+	state.
+	(class dump_path_diagnostic): Move to region-model.cc
+	(exploded_node::on_stmt): Move to on_stmt_pre and on_stmt_post.
+	Remove call to purge_state_involving.
+	(exploded_node::on_stmt_pre): New, based on the above.  Move most
+	of it to region_model::on_stmt_pre.
+	(exploded_node::on_stmt_post): Likewise, moving to
+	region_model::on_stmt_post.
+	(class stale_jmp_buf): Fix parent class to use curiously recurring
+	template pattern.
+	(feasibility_state::maybe_update_for_edge): Call on_call_pre and
+	on_call_post on gcalls.
+	* exploded-graph.h (impl_region_model_context::warn): Return bool.
+	(impl_region_model_context::purge_state_involving): New decl.
+	(exploded_node::on_stmt_pre): New decl.
+	(exploded_node::on_stmt_post): New decl.
+	* pending-diagnostic.h (pending_diagnostic::use_of_uninit_p): New.
+	(pending_diagnostic::supercedes_p): New.
+	* program-state.cc (sm_state_map::get_state): Inherit state for
+	conjured_svalue as well as initial_svalue.
+	(sm_state_map::purge_state_involving): Also support SK_CONJURED.
+	* region-model-impl-calls.cc (call_details::get_uncertainty):
+	Handle m_ctxt being NULL.
+	(call_details::get_or_create_conjured_svalue): New.
+	(region_model::impl_call_fgets): New.
+	(region_model::impl_call_fread): New.
+	* region-model-manager.cc
+	(region_model_manager::get_or_create_initial_value): Return an
+	uninitialized poisoned value for regions that can't have initial
+	values.
+	* region-model-reachability.cc
+	(reachable_regions::mark_escaped_clusters): Handle ctxt being
+	NULL.
+	* region-model.cc (region_to_value_map::purge_state_involving): New.
+	(poisoned_value_diagnostic::use_of_uninit_p): New.
+	(poisoned_value_diagnostic::emit): Handle POISON_KIND_UNINIT.
+	(poisoned_value_diagnostic::describe_final_event): Likewise.
+	(region_model::check_for_poison): New.
+	(region_model::on_assignment): Call it.
+	(class dump_path_diagnostic): Move here from engine.cc.
+	(region_model::on_stmt_pre): New, based on exploded_node::on_stmt.
+	(region_model::on_call_pre): Move the setting of the LHS to a
+	conjured svalue to before the checks for specific functions.
+	Handle "fgets", "fgets_unlocked", and "fread".
+	(region_model::purge_state_involving): New.
+	(region_model::handle_unrecognized_call): Handle ctxt being NULL.
+	(region_model::get_rvalue): Call check_for_poison.
+	(selftest::test_stack_frames): Use NULL for context when getting
+	uninitialized rvalue.
+	(selftest::test_alloca): Likewise.
+	* region-model.h (region_to_value_map::purge_state_involving): New
+	decl.
+	(call_details::get_or_create_conjured_svalue): New decl.
+	(region_model::on_stmt_pre): New decl.
+	(region_model::purge_state_involving): New decl.
+	(region_model::impl_call_fgets): New decl.
+	(region_model::impl_call_fread): New decl.
+	(region_model::check_for_poison): New decl.
+	(region_model_context::warn): Return bool.
+	(region_model_context::purge_state_involving): New.
+	(noop_region_model_context::warn): Return bool.
+	(noop_region_model_context::purge_state_involving): New.
+	(test_region_model_context:: warn): Return bool.
+	* region.cc (region::get_memory_space): New.
+	(region::can_have_initial_svalue_p): New.
+	(region::involves_p): New.
+	* region.h (enum memory_space): New.
+	(region::get_memory_space): New decl.
+	(region::can_have_initial_svalue_p): New decl.
+	(region::involves_p): New decl.
+	* sm-malloc.cc (use_after_free::supercedes_p): New.
+	* store.cc (binding_cluster::purge_state_involving): New.
+	(store::purge_state_involving): New.
+	* store.h (class symbolic_binding): New forward decl.
+	(binding_key::dyn_cast_symbolic_binding): New.
+	(symbolic_binding::dyn_cast_symbolic_binding): New.
+	(binding_cluster::purge_state_involving): New.
+	(store::purge_state_involving): New.
+	* svalue.cc (svalue::can_merge_p): Reject attempts to merge
+	poisoned svalues with other svalues, so that we identify
+	paths in which a variable is conditionally uninitialized.
+	(involvement_visitor::visit_conjured_svalue): New.
+	(svalue::involves_p): Also handle SK_CONJURED.
+	(poison_kind_to_str): Handle POISON_KIND_UNINIT.
+	(poisoned_svalue::maybe_fold_bits_within): New.
+	* svalue.h (enum poison_kind): Add POISON_KIND_UNINIT.
+	(poisoned_svalue::maybe_fold_bits_within): New decl.
+
+2021-07-15  David Malcolm  <dmalcolm@redhat.com>
+
+	* analyzer.opt (fdump-analyzer-exploded-paths): New.
+	* diagnostic-manager.cc
+	(diagnostic_manager::emit_saved_diagnostic): Implement it.
+	* engine.cc (exploded_path::dump_to_pp): Add ext_state param and
+	use it to dump states if non-NULL.
+	(exploded_path::dump): Likewise.
+	(exploded_path::dump_to_file): New.
+	* exploded-graph.h (exploded_path::dump_to_pp): Add ext_state
+	param.
+	(exploded_path::dump): Likewise.
+	(exploded_path::dump): Likewise.
+	(exploded_path::dump_to_file): New.
+
+2021-07-15  David Malcolm  <dmalcolm@redhat.com>
+
+	* analyzer.cc (fixup_tree_for_diagnostic_1): Use DECL_DEBUG_EXPR
+	if it's available.
+	* engine.cc (readability): Likewise.
+
+2021-07-15  David Malcolm  <dmalcolm@redhat.com>
+
+	* state-purge.cc (self_referential_phi_p): New.
+	(state_purge_per_ssa_name::process_point): Don't purge an SSA name
+	at its def-stmt if the def-stmt is self-referential.
+
 2021-07-07  David Malcolm  <dmalcolm@redhat.com>
 
 	* diagnostic-manager.cc (null_assignment_sm_context::get_state):
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index f98bf2b208f..817f4c4079a 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,9 @@
+2021-07-15  Martin Sebor  <msebor@redhat.com>
+
+	PR c/101289
+	PR c/97548
+	* c-warn.c (warn_parm_array_mismatch): Use OEP_DECL_NAME.
+
 2021-07-14  Jason Merrill  <jason@redhat.com>
 
 	* c-opts.c (c_common_post_options): Set -fdelete-dead-exceptions.
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index ef6f4adf5a7..a19080619db 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,9 @@
+2021-07-15  Martin Sebor  <msebor@redhat.com>
+
+	PR c/101289
+	PR c/97548
+	* c-decl.c (get_parm_array_spec): Strip nops.
+
 2021-07-06  Martin Sebor  <msebor@redhat.com>
 
 	* c-objc-common.c (c_tree_printer): Remove support for %G and %K.
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index a80d236ba9a..0e2139ae470 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,15 @@
+2021-07-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/101443
+	* cp-gimplify.c (cp_fold): For comparisons with NULLPTR_TYPE
+	operands, fold them right away to true or false.
+
+2021-07-15  Jason Merrill  <jason@redhat.com>
+
+	PR c++/101095
+	* cp-objcp-common.c (cp_common_init_ts): Mark types as types.
+	(cp_tree_size): Remove redundant entries.
+
 2021-07-14  Patrick Palka  <ppalka@redhat.com>
 
 	PR c++/88252
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 944639a95df..7a9a29ea2b2 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,128 @@
+2021-07-15  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/101346
+	* gcc.target/i386/pr101346.c: New test.
+
+2021-07-15  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/97027
+	* gcc.dg/Wstringop-overflow-15.c: Remove an xfail.
+	* gcc.dg/Wstringop-overflow-47.c: Adjust xfails.
+	* gcc.dg/torture/pr69170.c: Avoid valid warnings.
+	* gcc.dg/torture/pr70025.c: Prune out a false positive.
+	* gcc.dg/vect/pr97769.c: Initialize a loop control variable.
+	* gcc.target/i386/pr92658-avx512bw-trunc.c: Increase buffer size
+	to avoid overflow.
+	* gcc.target/i386/pr92658-avx512f.c: Same.
+	* gcc.dg/Wstringop-overflow-68.c: New test.
+	* gcc.dg/Wstringop-overflow-69.c: New test.
+	* gcc.dg/Wstringop-overflow-70.c: New test.
+	* gcc.dg/Wstringop-overflow-71.c: New test.
+	* gcc.dg/strlenopt-95.c: New test.
+
+2021-07-15  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/95006
+	PR analyzer/94713
+	PR analyzer/94714
+	* g++.dg/analyzer/pr93212.C: Update location of warning.
+	* g++.dg/analyzer/pr94011.C: Add
+	-Wno-analyzer-use-of-uninitialized-value.
+	* g++.dg/analyzer/pr94503.C: Likewise.
+	* gcc.dg/analyzer/clobbers-1.c: Convert "f" from a local to a
+	param to avoid uninitialized warning.
+	* gcc.dg/analyzer/data-model-1.c (test_12): Add test for
+	uninitialized value on result of alloca.
+	(test_12a): Add expected warning.
+	(test_12c): Likewise.
+	(test_19): Likewise.
+	(test_29b): Likewise.
+	(test_29c): Likewise.
+	(test_37): Remove xfail.
+	(test_37a): Likewise.
+	* gcc.dg/analyzer/data-model-20.c: Add warning about leak.
+	* gcc.dg/analyzer/explode-2.c: Remove params; add
+	-Wno-analyzer-too-complex, -Wno-analyzer-malloc-leak, and xfails.
+	Initialize the locals.
+	* gcc.dg/analyzer/explode-2a.c: Initialize the locals.  Add
+	expected leak.
+	* gcc.dg/analyzer/fgets-1.c: New test.
+	* gcc.dg/analyzer/fread-1.c: New test.
+	* gcc.dg/analyzer/malloc-1.c (test_16): Add expected warning.
+	(test_40): Likewise.
+	* gcc.dg/analyzer/memset-CVE-2017-18549-1.c: Check for
+	uninitialized padding.
+	* gcc.dg/analyzer/pr93355-localealias-feasibility.c (fread): New
+	decl.
+	(read_alias_file): Call it.
+	* gcc.dg/analyzer/pr94047.c: Add expected warnings.
+	* gcc.dg/analyzer/pr94851-2.c: Likewise.
+	* gcc.dg/analyzer/pr96841.c: Convert local to a param.
+	* gcc.dg/analyzer/pr98628.c: Likewise.
+	* gcc.dg/analyzer/pr99042.c: Updated expected location of leak
+	diagnostics.
+	* gcc.dg/analyzer/symbolic-1.c: Add expected warnings.
+	* gcc.dg/analyzer/symbolic-7.c: Likewise.
+	* gcc.dg/analyzer/torture/pr93649.c: Add expected warning.  Skip
+	with -fno-fat-lto-objects.
+	* gcc.dg/analyzer/uninit-1.c: New test.
+	* gcc.dg/analyzer/uninit-2.c: New test.
+	* gcc.dg/analyzer/uninit-3.c: New test.
+	* gcc.dg/analyzer/uninit-4.c: New test.
+	* gcc.dg/analyzer/uninit-pr94713.c: New test.
+	* gcc.dg/analyzer/uninit-pr94714.c: New test.
+	* gcc.dg/analyzer/use-after-free-2.c: New test.
+	* gcc.dg/analyzer/use-after-free-3.c: New test.
+	* gcc.dg/analyzer/zlib-3.c: Add expected warning.
+	* gcc.dg/analyzer/zlib-6.c: Convert locals to params to avoid
+	uninitialized warnings.  Remove xfail.
+	* gcc.dg/analyzer/zlib-6a.c: New test, based on the old version
+	of the above.
+	* gfortran.dg/analyzer/pr97668.f: Add
+	-Wno-analyzer-use-of-uninitialized-value and
+	-Wno-analyzer-too-complex.
+
+2021-07-15  David Malcolm  <dmalcolm@redhat.com>
+
+	* gcc.dg/analyzer/phi-1.c: New test.
+
+2021-07-15  Christophe Lyon  <christophe.lyon@foss.st.com>
+
+	* lib/target-supports.exp (arm_v8_2a_imm8_neon_ok_nocache):
+	Delete.
+
+2021-07-15  Christophe Lyon  <christophe.lyon@foss.st.com>
+
+	* gcc.target/arm/simd/vusdot-autovec.c: Use arm_v8_2a_i8mm_ok
+	effective-target.
+
+2021-07-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/101443
+	* g++.dg/cpp0x/nullptr46.C: New test.
+
+2021-07-15  Tamar Christina  <tamar.christina@arm.com>
+
+	PR middle-end/101457
+	* gcc.dg/vect/vect-reduc-dot-17.c: Fix signs of scalar code.
+	* gcc.dg/vect/vect-reduc-dot-18.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-22.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-9.c: Likewise.
+
+2021-07-15  Martin Sebor  <msebor@redhat.com>
+
+	* gcc.dg/Wvla-parameter-12.c: New test.
+
+2021-07-15  Bill Schmidt  <wschmidt@linux.ibm.com>
+
+	PR target/101129
+	* gcc.target/powerpc/pr101129.c: New.
+
+2021-07-15  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/101437
+	* gcc.c-torture/compile/pr101437.c: New test.
+
 2021-07-14  Peter Bergner  <bergner@linux.ibm.com>
 
 	* gcc.target/powerpc/mma-builtin-9.c: New test.
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 91874c83a1d..01bac7a5804 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,9 @@
+2021-07-15  Alan Modra  <amodra@gmail.com>
+
+	* config/rs6000/morestack.S (R2_SAVE): Define.
+	(__morestack): Save and restore r2.  Set up r2 for called
+	functions.
+
 2021-07-01  H.J. Lu  <hjl.tools@gmail.com>
 
 	* soft-fp/extendhfxf2.c: New file.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 4ea4d2e807b..0072eed32f2 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,25 @@
+2021-07-15  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/101427
+	* include/std/tuple (tuple_element): Improve static_assert text.
+	(__get_helper): Add deleted overload.
+	(get<i>(tuple<T...>&&), get<i>(const tuple<T...>&&)): Use
+	__get_helper directly.
+	(__get_helper2): Remove.
+	(__find_uniq_type_in_pack): New constexpr helper function.
+	(get<T>): Use __find_uniq_type_in_pack and __get_helper instead
+	of __get_helper2.
+	* testsuite/20_util/tuple/element_access/get_neg.cc: Adjust
+	expected errors.
+	* testsuite/20_util/tuple/element_access/101427.cc: New test.
+
+2021-07-15  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/101429
+	* include/bits/c++config (__replacement_assert): Add noexcept.
+	[!_GLIBCXX_VERBOSE] (__glibcxx_assert_impl): Use __builtin_trap
+	instead of __replacement_assert.
+
 2021-07-14  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/std/string_view (basic_string_view(It, End)): Add


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