[gcc r11-5688] Daily bump.

[gcc r11-5688] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:11860cf440198a9023135a93d781f45bc8cccc4d

commit r11-5688-g11860cf440198a9023135a93d781f45bc8cccc4d
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu Dec 3 00:16:47 2020 +0000

    Daily bump.

Diff:
---
 ChangeLog               |   8 ++
 contrib/ChangeLog       |   4 +
 gcc/ChangeLog           | 219 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/cp/ChangeLog        | 119 ++++++++++++++++++++++++++
 gcc/testsuite/ChangeLog | 165 ++++++++++++++++++++++++++++++++++++
 libbacktrace/ChangeLog  |   6 ++
 libstdc++-v3/ChangeLog  |  50 +++++++++++
 8 files changed, 572 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index d66cdaeed6a..b5129433313 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2020-12-02  Simon Marchi  <simon.marchi@polymtl.ca>
+
+	* .gitignore: Sync with binutils-gdb
+
+2020-12-02  Claudiu Zissulescu  <claziss@gmail.com>
+
+	* MAINTAINERS: Add myself as arc port maintainer.
+
 2020-11-29  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	PR d/87788
diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 431753d85f6..2baa7f9fe62 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,7 @@
+2020-12-02  Jason Merrill  <jason@redhat.com>
+
+	* gcc-git-customization.sh: Configure sendemail.to.
+
 2020-11-30  Martin Liska  <mliska@suse.cz>
 
 	* gcc-changelog/git_commit.py: Suggest close file for
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c4968b75fa2..7e76b2f6852 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,222 @@
+2020-12-02  Jakub Jelinek  <jakub@redhat.com>
+
+	* dwarf2out.c (add_scalar_info): Only use add_AT_wide for 128-bit
+	constants and only in dwarf-5 or later, where DW_FORM_data16 is
+	available.  Otherwise use DW_FORM_block*/DW_FORM_exprloc with
+	DW_OP_implicit_value to describe the constant.
+
+2020-12-02  qing zhao  <qinzhao@gcc.gnu.org>
+
+	PR rtl-optimization/97777
+	* reg-stack.c (rest_of_handle_stack_regs): call
+	df_insn_rescan_all if reg_to_stack return true.
+
+2020-12-02  Ilya Leoshkevich  <iii@linux.ibm.com>
+
+	* config/s390/s390-protos.h (s390_const_int_pool_entry_p): New
+	function.
+	* config/s390/s390.c (s390_const_int_pool_entry_p): New
+	function.
+	* config/s390/s390.md: Add define_peephole2 that produces llihf
+	and oilf.
+
+2020-12-02  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/97630
+	* tree-vectorizer.h (_slp_tree::next_node,
+	_slp_tree::prev_node): New.
+	(vect_slp_init): Declare.
+	(vect_slp_fini): Likewise.
+	* tree-vectorizer.c (vectorize_loops): Call vect_slp_init/fini.
+	(pass_slp_vectorize::execute): Likewise.
+	* tree-vect-slp.c (vect_slp_init): New.
+	(vect_slp_fini): Likewise.
+	(slp_first_node): New global.
+	(_slp_tree::_slp_tree): Link node into the SLP tree list.
+	(_slp_tree::~_slp_tree): Delink node from the SLP tree list.
+
+2020-12-02  Scott Snyder  <sss@li-snyder.org>
+
+	PR plugins/98059
+	* vec.h (auto_delete_vec): Use
+	DISABLE_COPY_AND_ASSIGN(auto_delete_vec) instead of
+	DISABLE_COPY_AND_ASSIGN(auto_delete_vec<T>) to make it valid C++20
+	after DR2237.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/98075
+	* cgraph.c (cgraph_node::dump): Dump decl_is_malloc flag.
+	* ipa-pure-const.c (propagate_malloc): Do not set malloc
+	attribute for void functions.
+
+2020-12-02  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR middle-end/93195
+	PR middle-end/93197
+	* configure.ac (HAVE_GAS_SECTION_LINK_ORDER): New.  Define 1 if
+	the assembler supports the section flag 'o' for specifying
+	section with link-order.
+	* output.h (SECTION_LINK_ORDER): New.  Defined to 0x8000000.
+	(SECTION_MACH_DEP): Changed from 0x8000000 to 0x10000000.
+	* targhooks.c (default_print_patchable_function_entry): Pass
+	SECTION_LINK_ORDER to switch_to_section if the section flag 'o'
+	works.  Pass current_function_decl to switch_to_section.
+	* varasm.c (default_elf_asm_named_section): Use 'o' flag for
+	SECTION_LINK_ORDER if assembler supports it.
+	* config.in: Regenerated.
+	* configure: Likewise.
+	* doc/sourcebuild.texi: Document o_flag_in_section.
+
+2020-12-02  H.J. Lu  <hjl.tools@gmail.com>
+
+	* config/i386/i386.opt: Add the missing '.' for -mneeded.
+
+2020-12-02  Richard Biener  <rguenther@suse.de>
+
+	* tree-vect-loop.c (vect_transform_loop_stmt): Return whether
+	we vectorized a stmt.
+	(vect_transform_loop): Only call maybe_set_vectorized_backedge_value
+	when we vectorized the stmt.
+
+2020-12-02  Jakub Jelinek  <jakub@redhat.com>
+
+	* expmed.h (expand_divmod): Only declare if GCC_OPTABS_H is defined.
+	Add enum optabs_method argument defaulted to OPTAB_LIB_WIDEN.
+	* expmed.c: Include expmed.h after optabs.h.
+	(expand_divmod): Add methods argument, if it is not OPTAB_{,LIB_}WIDEN,
+	don't choose a wider mode, and pass it to other calls instead of
+	hardcoded OPTAB_LIB_WIDEN.  Avoid emitting libcalls if not
+	OPTAB_LIB or OPTAB_LIB_WIDEN.
+	* optabs.c: Include expmed.h after optabs.h.
+	(expand_doubleword_mod, expand_doubleword_divmod): Pass OPTAB_DIRECT
+	as last argument to expand_divmod.
+	(expand_binop): Punt if {s,u}divmod_optab has handler for double-word
+	int_mode.
+	* expr.c: Include expmed.h after optabs.h.
+	* explow.c: Include expmed.h after optabs.h.
+
+2020-12-02  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/97459
+	* optabs.h (expand_doubleword_divmod): Declare.
+	* optabs.c (expand_doubleword_divmod): New function.
+	(expand_binop): Use it.
+	* internal-fn.c (expand_DIVMOD): Likewise.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	PR c/98087
+	* gimple-fold.c (clear_padding_type): Do not divide by zero.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	* gdbinit.in: Write what each command calls
+	for a debugging function.
+
+2020-12-02  Kewen Lin  <linkw@linux.ibm.com>
+
+	* config/rs6000/rs6000.c (rs6000_option_override_internal):
+	Use OPTION_MASK_DIRECT_MOVE for Power8 target_enable instead
+	of OPTION_MASK_HTM.
+	* config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER):
+	Remove OPTION_MASK_HTM.
+	(RS6000_CPU): Add OPTION_MASK_HTM to power8, power9 and
+	powerpc64le entries.
+
+2020-12-02  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/98079
+	* config/i386/i386.md (abs<mode>2): Enable QImode
+	only for !TARGET_PARTIAL_REG_STALL.
+	(*abs<mode>2_1): Ditto.
+	(<maxmin:code><mode>3): Ditto.
+	(*<maxmin:code><mode>3_1): Ditto.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	* diagnostic.c (diagnostic_report_diagnostic): ICE causes to
+	terminate compiler immediately, so I guess it should be printed
+	always.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	PR tree-optimization/88702
+	* gimple-if-to-switch.cc (pass_if_to_switch::execute):
+	Require at least 2 BBs.
+	* gimple-if-to-switch.cc (find_conditions): Require
+	equal precision for low and high of a range.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	PR tree-optimization/98084
+	* gimple-if-to-switch.cc (find_conditions): Consider only
+	integral types.
+
+2020-12-02  Jeff Law  <law@redhat.com>
+
+	* config/h8300/addsub.md (addqi3_clobber_flags): Rename to
+	addqi3_flags and annotate with a <cczn> for define_subst.
+	(addhi3_h8sx_clobber_flags): Likewise.
+	(subqi3_clobber_flags, sub<mode>3_clobber_flags): Likewise.
+	(neg<mode2>_clobber_flags): Similarly.
+	(addsi3_clobber_flags): Similarly.  Update last argument to
+	output_plussi to distinguish when we need flags or do not need
+	flags.
+	(addhi3_clobber_flags): Similarly.  Twiddle code for cases
+	+-1, +-2 and +-4.
+	* config/h8300/h8300.md: Define iterators, mode attributes and
+	substitutions for use in compare/test elimination.
+	* config/h8300/jumpcall.md (branch, branch_1): Use H8cc mode
+	iterator to cover the different modes for the CC register.
+	(branch_1_false): Likewise.
+
+2020-12-02  Maciej W. Rozycki  <macro@linux-mips.org>
+
+	* loop-iv.c: Fix a typo, s/bu/by/, in the `iv_analyze_expr'
+	description in the introduction.
+
+2020-12-02  H.J. Lu  <hjl.tools@gmail.com>
+
+	* configure.ac (HAVE_GAS_SHF_GNU_RETAIN): New.  Define 1 if
+	the assembler supports marking sections with SHF_GNU_RETAIN flag.
+	* output.h (SECTION_RETAIN): New.  Defined as 0x4000000.
+	(SECTION_MACH_DEP): Changed from 0x4000000 to 0x8000000.
+	(default_unique_section): Add a bool argument.
+	* varasm.c (get_section): Set SECTION_RETAIN for the preserved
+	symbol with HAVE_GAS_SHF_GNU_RETAIN.
+	(resolve_unique_section): Used named section for the preserved
+	symbol if assembler supports SHF_GNU_RETAIN.
+	(get_variable_section): Handle the preserved common symbol with
+	HAVE_GAS_SHF_GNU_RETAIN.
+	(default_elf_asm_named_section): Require the full declaration and
+	use the 'R' flag for SECTION_RETAIN.
+	* config.in: Regenerated.
+	* configure: Likewise.
+	* doc/sourcebuild.texi: Document R_flag_in_section.
+
+2020-12-02  H.J. Lu  <hjl.tools@gmail.com>
+
+	* config.gcc: Replace cet.o with gnu-property.o.  Replace
+	i386/t-cet with i386/t-gnu-property.
+	* config/i386/cet.c: Renamed to ...
+	* config/i386/gnu-property.c: This.
+	(emit_gnu_property): New function.
+	(file_end_indicate_exec_stack_and_cet): Renamed to ...
+	(file_end_indicate_exec_stack_and_gnu_property): This.  Call
+	emit_gnu_property to generate GNU_PROPERTY_X86_FEATURE_1_AND and
+	GNU_PROPERTY_X86_ISA_1_NEEDED properties.
+	* config/i386/i386.opt (mneeded): New.
+	* config/i386/linux-common.h (file_end_indicate_exec_stack_and_cet):
+	Renamed to ...
+	(file_end_indicate_exec_stack_and_gnu_property): This.
+	(TARGET_ASM_FILE_END): Updated.
+	* config/i386/t-cet: Renamed to ...
+	* config/i386/t-gnu-property: This.
+	(cet.o): Renamed to ...
+	(gnu-property.o): This.
+	* doc/invoke.texi: Document -mneeded.
+
 2020-12-01  Eugene Rozenfeld  <Eugene.Rozenfeld@microsoft.com>
 
 	PR tree-optimization/96708
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index ddafb1c0f90..81e21c81a48 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201202
+20201203
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 9e5c0015d1c..6728ea13798 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,122 @@
+2020-12-03  Peter Bergner  <bergner@linux.ibm.com>
+
+	PR c++/97947
+	* typeck2.c (digest_init_r): Handle OPAQUE_TYPE as an aggregate type.
+
+2020-12-02  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/80780
+	PR c++/93093
+	* cp-tree.h (source_location_current_p): Declare.
+	* tree.c (source_location_current_p): New function.
+	* call.c (immediate_invocation_p): New function.
+	(build_over_call): Use it to resolve LWG3396.
+	* constexpr.c (cxx_eval_builtin_function_call): Temporarily set
+	current_function_decl from ctx->call->fundef->decl if any.
+	* cp-gimplify.c (cp_genericize_r) <case CALL_EXPR>: Fold calls
+	to immediate function std::source_location::current ().
+
+2020-12-02  Jason Merrill  <jason@redhat.com>
+
+	* decl.c (grokdeclarator): Improve diagnostic for
+	disallowed CTAD placeholder.
+
+2020-12-02  Jason Merrill  <jason@redhat.com>
+
+	* decl.c (check_initializer): Also look through STMT_EXPR
+	and BIND_EXPR.
+
+2020-12-02  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (comparing_typenames): Declare.
+	* pt.c (comparing_typenames): Define.
+	(spec_hasher::equal): Increment it around comparisons.
+	* typeck.c (structural_comptypes): Adjust TYPENAME resolution
+	check.
+
+2020-12-02  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/97975
+	* constexpr.c (fold_non_dependent_init): Add a tree parameter.
+	Use it.
+	* cp-tree.h (fold_non_dependent_init): Add a tree parameter with
+	a default value.
+	* typeck2.c (store_init_value): Call fold_non_dependent_expr
+	only when checking the initializer for constexpr variables.
+	Call fold_non_dependent_init instead of maybe_constant_init.
+
+2020-12-02  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/97187
+	PR c++/97993
+	* pt.c (tsubst_copy_and_build) <case NEW_EXPR>: Return error_mark_node
+	if init is erroneous.
+
+2020-12-02  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (DECL_MODULE_PURVIEW_P, DECL_MODULE_IMPORT_P)
+	(DECL_MODULE_ENTITY_P): New.
+	(DECL_MODULE_PENDING_SPECIALIZATIONS_P): New.
+	(DECL_MODULE_PENDING_MEMBERS_P): New.
+	(DECL_MODULE_ATTACHMENTS_P): New.
+	(DECL_MODULE_EXPORT_P): New.
+	(struct lang_decl_base): Shrink sel field.  Add new
+	module-specific fields.
+
+2020-12-02  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (DECL_TINFO_P): Also for TYPE_DECLs.
+	(get_tinfo_decl_direct): Declare.
+	(get_pseudo_tinfo_index, get_pseudo_tinfo_type): Declare.
+	* rtti.c (get_tinfo_decl_direct): Externalize.
+	(get_tinfo_desc): Set DECL_TINFO_P on the typedef.
+	(get_pseudo_tinfo_index, get_pseudo_tinfo_type): New.
+
+2020-12-02  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (maybe_add_lang_decl_raw, maybe_add_lang_type_raw):
+	Declare.
+	* lex.c (maybe_add_lang_decl_raw, maybe_add_lang_type_raw):
+	Externalize, reformat.
+
+2020-12-02  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (build_cplus_array_type): Add defaulted DEP parm.
+	* tree.c (set_array_type_common): Add DEP parm.
+	(build_cplus_array_type): Add DEP parm, determine dependency if
+	needed.
+	(cp_build_qualified_type_real): Adjust array-building call.
+	(strip_typedefs): Likewise.
+
+2020-12-02  Nathan Sidwell  <nathan@acm.org>
+
+	* ptree.c (cxx_print_xnode): Increase binding-vector prefix size.
+
+2020-12-02  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.def (BINDING_VECTOR): New.
+	* name-lookup.h (struct binding_slot): New.
+	(BINDING_VECTOR_SLOTS_PER_CLUSTER): New.
+	(struct binding_index, struct binding_cluster): New.
+	(BINDING_VECTOR_ALLOC_CLUSTERS, BINDING_VECTOR_CLUSTER_BASE)
+	(BINDING_VECTOR_CLUSTER): New.
+	(struct tree_binding_vec): New.
+	(BINDING_VECTOR_NAME, BINDING_VECTOR_GLOBAL_DUPS_P)
+	(BINDING_VECTOR_PARTITION_DUPS_P): New.
+	(BINDING_BINDING_GLOBAL_P, BINDING_BINDING_PARTITION_P): New.
+	(BINDING_VECTOR_PENDING_SPECIALIZATIONS)
+	(BINDING_VECTOR_PENDING_IS_HEADER_P)
+	(BINDING_VECTOR_PENDING_IS_PARTITION_P): New.
+	* cp-tree.h (enum cp_tree_node_structure_enum): Add
+	TS_CP_BINDING_VECTOR.
+	(union lang_tree_node): Add binding_vec field.
+	(make_binding_vec): Declare.
+	(named_decl_hash::hash, named_decl_hash::equal): Check for binding
+	vector.
+	* decl.c (cp_tree_node_structure): Add BINDING_VECTOR case.
+	* ptree.c (cxx_print_xnode): Add BINDING_VECTOR case.
+	* tree.c (make_binding_vec): New.
+
 2020-12-01  Ville Voutilainen  <ville.voutilainen@gmail.com>
 
 	PR c++/98054
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5895c70e3fd..3339d70e5c3 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,168 @@
+2020-12-03  Peter Bergner  <bergner@linux.ibm.com>
+
+	PR c++/97947
+	* g++.target/powerpc/pr97947.C: New test.
+
+2020-12-02  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/80780
+	PR c++/93093
+	* g++.dg/cpp2a/srcloc15.C: New test.
+	* g++.dg/cpp2a/srcloc16.C: New test.
+	* g++.dg/cpp2a/srcloc17.C: New test.
+	* g++.dg/cpp2a/srcloc18.C: New test.
+
+2020-12-02  qing zhao  <qinzhao@gcc.gnu.org>
+
+	PR rtl-optimization/97777
+	PR rtl-optimization/97777
+	* gcc.target/i386/pr97777.c: New test.
+
+2020-12-02  Jason Merrill  <jason@redhat.com>
+
+	* g++.dg/other/pr88187.C: Adjust expected error.
+	* g++.dg/cpp2a/class-deduction-abbrev1.C: New test.
+
+2020-12-02  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/97975
+	* g++.dg/cpp1z/inline-var8.C: New test.
+
+2020-12-02  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/97187
+	PR c++/97993
+	* g++.dg/eh/crash2.C: New test.
+	* g++.dg/template/crash132.C: New test.
+
+2020-12-02  Martin Sebor  <msebor@redhat.com>
+
+	* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Adjust expected warnings
+	to correctly reflect the maximum object size.
+	* gcc.dg/tree-ssa/builtin-sprintf-warn-11.c: Same.
+	* gcc.dg/tree-ssa/builtin-sprintf-warn-18.c: Same.
+
+2020-12-02  Ilya Leoshkevich  <iii@linux.ibm.com>
+
+	* gcc.target/s390/load-imm64-1.c: New test.
+	* gcc.target/s390/load-imm64-2.c: New test.
+
+2020-12-02  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* ada/acats/support/acats25.lst: Delete.
+	* ada/acats/support/acats26.lst: New file.
+	* ada/acats/support/fcndecl.ada: Minor tweak.
+	* ada/acats/support/impdef.a: Add commentary.
+	* ada/acats/support/impdefg.a (Negative_Zero return): Simplify.
+	* ada/acats/support/macro.dfs (TASK_STORAGE_SIZE): Bump.
+	* ada/acats/support/repbody.ada: Upgrade to ACATS 2.6.
+	* ada/acats/support/tctouch.ada: Likewise.
+	* ada/acats/tests/c3/c352001.a: New file.
+	* ada/acats/tests/c4/c433001.a: Correct error messages.
+	* ada/acats/tests/c4/c453001.a: New file.
+	* ada/acats/tests/c4/c45622a.ada: Delete.
+	* ada/acats/tests/c4/c45624a.ada: Likewise.
+	* ada/acats/tests/c4/c45624b.ada: Likewise.
+	* ada/acats/tests/c4/c460013.a: New file.
+	* ada/acats/tests/c4/c460014.a: Likewise.
+	* ada/acats/tests/c6/c620001.a: Likewise.
+	* ada/acats/tests/c6/c620002.a: Likewise.
+	* ada/acats/tests/c7/c761006.a: Redo Unchecked_Deallocation case.
+	* ada/acats/tests/c9/c96004a.ada: Adjust for Ada 2005.
+	* ada/acats/tests/c9/c96007a.ada: Likewise.
+	* ada/acats/tests/cb/cb41004.a: Adjust for AI95-0044.
+	* ada/acats/tests/cc/cc3016f.ada: Minor tweak.
+	* ada/acats/tests/cd/cd30011.a: New file.
+	* ada/acats/tests/cd/cd30012.a: Likewise.
+	* ada/acats/tests/cd/cd90001.a: Fix comparison.
+	* ada/acats/tests/cxa/cxa3004.a: New file.
+	* ada/acats/tests/cxa/cxa5013.a: Likewise.
+	* ada/acats/tests/cxa/cxac005.a: Adjust for return-by-reference.
+	* ada/acats/tests/cxb/cxb30061.am: New file.
+	* ada/acats/tests/cxf/cxf2001.a: Fix failure message.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/98075
+	* g++.dg/ipa/pr98075.C: New test.
+
+2020-12-02  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR middle-end/93195
+	* g++.dg/pr93195a.C: New test.
+	* g++.dg/pr93195b.C: Likewise.
+	* lib/target-supports.exp
+	(check_effective_target_o_flag_in_section): New proc.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	PR tree-optimization/98084
+	* gcc.dg/tree-ssa/pr98094.c: New test.
+
+2020-12-02  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/97459
+	* gcc.target/i386/pr97282.c (foo): Use 123456 divisor instead of
+	10.
+	* gcc.dg/pr97459-1.c (TESTS): Add tests for 10, 12 and
+	6144.
+	* gcc.dg/pr97459-2.c (TESTS): Likewise.
+	* gcc.dg/pr97459-3.c: New test.
+	* gcc.dg/pr97459-4.c: New test.
+	* gcc.dg/pr97459-5.c: New test.
+	* gcc.dg/pr97459-6.c: New test.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	PR c/98087
+	* gcc.c-torture/compile/pr98087.c: New test.
+
+2020-12-02  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR target/98079
+	* gcc.target/i386/pr98079.c: New test.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	PR tree-optimization/88702
+	* gcc.dg/tree-ssa/if-to-switch-9.c: New test.
+
+2020-12-02  Martin Liska  <mliska@suse.cz>
+
+	PR tree-optimization/98084
+	* gcc.dg/tree-ssa/pr98084.c: New test.
+
+2020-12-02  Jeff Law  <law@redhat.com>
+
+	* gcc.target/h8300/add.c: New test.
+	* gcc.target/h8300/add-2.c: New test.
+	* gcc.target/h8300/add-3.c: New test.
+	* gcc.target/h8300/sub.c: New test.
+	* gcc.target/h8300/sub-2.c: New test.
+	* gcc.target/h8300/sub-3.c: New test.
+
+2020-12-02  Ian Lance Taylor  <iant@golang.org>
+
+	* go.test/go-test.exp (errchk): Permit trailing */ on ERROR line.
+
+2020-12-02  H.J. Lu  <hjl.tools@gmail.com>
+	    Jozef Lawrynowicz  <jozef.l@mittosystems.com>
+
+	* c-c++-common/attr-used.c: Check the 'R' flag.
+	* c-c++-common/attr-used-2.c: Likewise.
+	* c-c++-common/attr-used-3.c: New test.
+	* c-c++-common/attr-used-4.c: Likewise.
+	* gcc.c-torture/compile/attr-used-retain-1.c: Likewise.
+	* gcc.c-torture/compile/attr-used-retain-2.c: Likewise.
+	* lib/target-supports.exp
+	(check_effective_target_R_flag_in_section): New proc.
+
+2020-12-02  H.J. Lu  <hjl.tools@gmail.com>
+
+	* gcc.target/i386/x86-needed-1.c: New test.
+	* gcc.target/i386/x86-needed-2.c: Likewise.
+	* gcc.target/i386/x86-needed-3.c: Likewise.
+
 2020-12-01  Eugene Rozenfeld  <Eugene.Rozenfeld@microsoft.com>
 
 	* gcc.dg/pr96708-negative.c: New test.
diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index df848d2afe4..a4de7ba566e 100644
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,9 @@
+2020-12-02  Ian Lance Taylor  <iant@golang.org>
+
+	* dwarf.c (resolve_string): Use > rather than >= to check whether
+	string index extends past buffer.
+	(resolve_addr_index): Similarly for address index.
+
 2020-11-29  John David Anglin  <danglin@gcc.gnu.org>
 
 	* configure: Regenerate.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index d78021b2f89..6b1c345ff81 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,53 @@
+2020-12-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/65480
+	PR libstdc++/68735
+	* python/libstdcxx/v6/printers.py (function_pointer_to_name):
+	New helper function to get the name of a function from its
+	address.
+	(StdExpAnyPrinter.__init__): Use it.
+
+2020-12-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/lib/dg-options.exp (add_options_for_libatomic):
+	Replace powerpc-ibm-aix* and powerpc*-*-darwin* with check for
+	powerpc && ilp32.
+
+2020-12-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/27_io/basic_istream/ignore/char/94749.cc: Add
+	dg-timeout-factor for ilp32 targets.
+	* testsuite/27_io/basic_istream/ignore/wchar_t/94749.cc:
+	Likewise.
+
+2020-12-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/ext/rope (rope::_S_concat_char_iter)
+	(rope::_S_destr_concat_char_iter): Add allocator parameter.
+	(rope::push_back, rope::append, rope::insert, operator+):
+	Pass allocator.
+	* include/ext/ropeimpl.h (rope::_S_concat_char_iter)
+	(rope::_S_destr_concat_char_iter): Add allocator parameter
+	and use it.
+	(_Rope_char_ref_proxy::operator=(_CharT)): Pass allocator.
+
+2020-12-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/ext/rope: Fix indentation of access specifiers.
+
+2020-12-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/atomic_timed_wait.h: Use #if instead of #ifdef.
+	* include/bits/semaphore_base.h: Likewise.
+	* include/std/version: Remove trailing whitespace.
+
+2020-12-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	* python/libstdcxx/v6/printers.py (StdExpPathPrinter): Store the
+	name of the type and pass it to the iterator.
+	(StdPathPrinter): Likewise.
+	* testsuite/libstdc++-prettyprinters/filesystem-ts.cc: New test.
+
 2020-12-01  Thomas Rodgers  <trodgers@redhat.com>
 
 	* include/bits/atomic_base.h: Replace usage of