Daily bump.

11 files changed, 512 insertions, 1 deletions

diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index a7454fc..9bd36a5 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,8 @@
+2020-11-25  Martin Liska  <mliska@suse.cz>
+
+	* gcc-changelog/git_commit.py: Use revert_regex instead
+	of string prefix.  Convert sets to literals.
+
 2020-11-16  Martin Liska  <mliska@suse.cz>
 
 	* mklog.py: Do not call read on an input stream.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c3b3201..0f05ad1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,105 @@
+2020-11-24  Ulrich Weigand  <ulrich.weigand@de.ibm.com>
+
+	Revert:
+	2020-11-24  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* doc/invoke.texi (-ffast-math): Remove mention of -fno-signaling-nans.
+	Clarify conditions when __FAST_MATH__ preprocessor macro is defined.
+	* opts.c (common_handle_option): Pass OPTS_SET to set_fast_math_flags
+	and set_unsafe_math_optimizations_flags.
+	(set_fast_math_flags): Add OPTS_SET argument, and use it to avoid
+	setting flags already explicitly set on the command line.  In the !set
+	case, also reset x_flag_cx_limited_range and x_flag_excess_precision.
+	Never reset x_flag_signaling_nans or x_flag_rounding_math.
+	(set_unsafe_math_optimizations_flags): Add OPTS_SET argument, and use
+	it to avoid setting flags already explicitly set on the command line.
+	(fast_math_flags_set_p): Also test x_flag_cx_limited_range,
+	x_flag_associative_math, x_flag_reciprocal_math, and
+	x_flag_rounding_math.
+
+2020-11-24  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR bootstrap/97933
+	* lra.c (lra_process_new_insns): Stop on the first real insn after
+	head of e->dest.
+
+2020-11-24  Richard Earnshaw  <rearnsha@arm.com>
+
+	PR target/97534
+	* config/arm/arm.c (arm_split_atomic_op): Use gen_int_mode when
+	negating a const_int.
+
+2020-11-24  Ilya Leoshkevich  <iii@linux.ibm.com>
+
+	* config/s390/vector.md: Use vcond_comparison_operator
+	predicate.
+
+2020-11-24  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* doc/invoke.texi (-ffast-math): Remove mention of -fno-signaling-nans.
+	Clarify conditions when __FAST_MATH__ preprocessor macro is defined.
+	* opts.c (common_handle_option): Pass OPTS_SET to set_fast_math_flags
+	and set_unsafe_math_optimizations_flags.
+	(set_fast_math_flags): Add OPTS_SET argument, and use it to avoid
+	setting flags already explicitly set on the command line.  In the !set
+	case, also reset x_flag_cx_limited_range and x_flag_excess_precision.
+	Never reset x_flag_signaling_nans or x_flag_rounding_math.
+	(set_unsafe_math_optimizations_flags): Add OPTS_SET argument, and use
+	it to avoid setting flags already explicitly set on the command line.
+	(fast_math_flags_set_p): Also test x_flag_cx_limited_range,
+	x_flag_associative_math, x_flag_reciprocal_math, and
+	x_flag_rounding_math.
+
+2020-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/97950
+	* config/i386/i386.md (*setcc_si_1_and): Macroize into...
+	(*setcc_<mode>_1_and): New define_insn_and_split with SWI24 iterator.
+	(*setcc_si_1_movzbl): Macroize into...
+	(*setcc_<mode>_1_movzbl): New define_insn_and_split with SWI24
+	iterator.
+
+2020-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	* gimple-fold.c (clear_padding_flush): If a word contains only 0
+	or 0xff bytes of padding other than all set, all clear, all set
+	followed by all clear or all clear followed by all set, don't emit
+	a RMW operation on the whole word or parts of it, but instead
+	clear the individual bytes of padding.  For paddings of one byte
+	size, don't use char[1] and {}, but instead just char and 0.
+
+2020-11-24  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* omp-expand.c (expand_oacc_for): More explicit checking of which
+	OMP constructs we're expecting.
+
+2020-11-24  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* doc/install.texi (Prerequisites) <Tcl>: Add comment.
+
+2020-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/96929
+	* fold-const.c (wide_int_binop) <case LSHIFT_EXPR, case RSHIFT_EXPR>:
+	Return false on negative second argument rather than trying to handle
+	it as shift in the other direction.
+	* tree-ssa-ccp.c (bit_value_binop) <case LSHIFT_EXPR,
+	case RSHIFT_EXPR>: Punt on negative shift count rather than trying
+	to handle it as shift in the other direction.
+	* match.pd (-1 >> x to -1): Remove tree_expr_nonnegative_p check.
+
+2020-11-24  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
+
+	PR tree-optimization/97849
+	* tree-if-conv.c (tree_if_conversion): Move ssa_name
+	replacement code from ifcvt_local_dce to this function
+	before calling do_rpo_vn.
+
+2020-11-24  Martin Sebor  <msebor@redhat.com>
+
+	* tree-cfg.c (dump_function_to_file): Print type attributes
+	and return type.
+
 2020-11-23  Martin Jambor  <mjambor@suse.cz>
 
 	* ipa-prop.h (ipa_pass_through_data): Expand comment describing
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index b33fafc..a2b6885 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201124
+20201125
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 01c02e3..7fe4449 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,222 @@
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_prag.adb (Analyze_Global_Item): Call SPARK_Msg_NE with the
+	entity, not with its identifier.
+
+2020-11-24  Arnaud Charlet  <charlet@adacore.com>
+
+	* opt.ads (Generate_Asm): New flag.
+	* osint-c.adb (Set_Output_Object_File_Name): Accept any
+	extension when generating assembly.
+	* adabkend.adb (Scan_Compiler_Args): Recognize -S.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_attr.adb, exp_ch4.adb, exp_intr.adb, sem_ch8.adb,
+	sem_res.adb, sem_type.adb, sem_util.adb: Reuse Is_Packed_Array.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* checks.adb (Apply_Access_Check): Remove unbalanced paren.
+	* exp_attr.adb (Expand_N_Attribute_Reference): Fix typo in
+	comment.
+
+2020-11-24  Justin Squirek  <squirek@adacore.com>
+
+	* sem_prag.adb (Analyze_Pragma): Mark relevant pragmas as ghost
+	when they are within a ghost region.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* contracts.adb, freeze.adb, sem_ch12.adb, sem_prag.adb: Reuse
+	In_Same_List.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_prag.adb (Is_Loop_Pragma): Avoid repeated calls to
+	Original_Node; remove unnecessary IF statement.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_spark.adb (Expand_SPARK_N_Attribute_Reference): Rewrite
+	with a CASE statement.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_attr.adb (Expand_N_Attribute_Reference): Replace calls to
+	Sloc with a local constant Loc; remove call to
+	Analyze_And_Resolve and return, which is exactly what happens
+	anyway (and other branches in the Constrained declare block
+	appear to rely on analysis, resolution and returning happening
+	in all cases).
+	* sem_util.adb: Remove useless parens.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_util.adb (Is_Object_Reference): Delta and extension
+	aggregates are objects.
+
+2020-11-24  Ghjuvan Lacambre  <lacambre@adacore.com>
+
+	* libgnat/s-rident.ads (System.Rident): Register new restriction
+	IDs.
+	* par-ch13.adb (Get_Aspect_Specifications): Add restriction check.
+	* par-prag.adb (Process_Restrictions_Or_Restriction_Warnings):
+	Register No_Unrecognized_Aspects restriction.
+	* sem_prag.adb (Analyze_Pragma): Add restriction check.
+	* snames.ads-tmpl: Create restriction names.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_attr.adb (Declared_Within): Return True for objects
+	declared within the attribute Loop_Entry prefix itself.
+
+2020-11-24  Yannick Moy  <moy@adacore.com>
+
+	* sem_ch3.adb (Process_Discriminants): Correctly set right
+	context for analyzing default value of discriminant.
+
+2020-11-24  Arnaud Charlet  <charlet@adacore.com>
+
+	* sem_type.adb (Add_One_Interp.Is_Universal_Operation): Account
+	for universal_access = operator.
+	(Disambiguate): Take into account preference on universal_access
+	= operator when relevant.
+	(Disambiguate.Is_User_Defined_Anonymous_Access_Equality): New.
+
+2020-11-24  Arnaud Charlet  <charlet@adacore.com>
+
+	* exp_util.adb (Is_Finalizable_Transient): Take into account return
+	statements containing N_Expression_With_Actions. Also clean up a
+	condition to make it more readable.
+	* exp_ch6.adb: Fix typo.
+
+2020-11-24  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* libgnat/a-wtdeio.adb (TFT): Delete and adjust throughout.
+	* libgnat/a-wtenau.adb (TFT): Likewise.
+	* libgnat/a-wtfiio.adb (TFT): Likewise.
+	* libgnat/a-wtflio.adb (TFT): Likewise.
+	* libgnat/a-wtinio.adb (TFT): Likewise.
+	* libgnat/a-wtinio__128.adb (TFT): Likewise.
+	* libgnat/a-wtmoio.adb (TFT): Likewise.
+	* libgnat/a-wtmoio__128.adb (TFT): Likewise.
+	* libgnat/a-ztdeio.adb (TFT): Likewise.
+	* libgnat/a-ztenau.adb (TFT): Likewise.
+	* libgnat/a-ztfiio.adb (TFT): Likewise.
+	* libgnat/a-ztflio.adb (TFT): Likewise.
+	* libgnat/a-ztinio.adb (TFT): Likewise.
+	* libgnat/a-ztinio__128.adb (TFT): Likewise.
+	* libgnat/a-ztmoio.adb (TFT): Likewise.
+	* libgnat/a-ztmoio__128.adb (TFT): Likewise.
+
+2020-11-24  Arnaud Charlet  <charlet@adacore.com>
+
+	* sem_ch13.adb (Validate_Literal_Aspect): Add support for named
+	numbers and in particular overload of the Real_Literal function.
+	* sem_res.adb (Resolve): Add support for named numbers in
+	Real_Literal and Integer_Literal resolution.
+	* einfo.adb, einfo.ads (Related_Expression,
+	Set_Related_Expression): Allow E_Function.
+	* uintp.ads (UI_Image_Max): Bump size of buffer to avoid loosing
+	precision.
+	* sem_eval.adb: Fix typo in comment.
+	* libgnat/a-nbnbin.adb, libgnat/a-nbnbin.ads (From_String):
+	Return a Valid_Big_Integer.
+	* libgnat/a-nbnbre.adb, libgnat/a-nbnbre.ads (From_String): New
+	variant taking two strings. Return a Valid_Big_Real.
+
+2020-11-24  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* sem_ch12.adb (Analyze_Associations) <Explicit_Freeze_Check>: Test
+	that the instance is in a statement sequence instead of local scope.
+	(Freeze_Subprogram_Body): Use the special delayed placement with
+	regard to the parent instance only if its Sloc is strictly greater.
+	(Install_Body): Likewise.
+
+2020-11-24  Steve Baird  <baird@adacore.com>
+
+	* sem_ch13.adb (Validate_Literal_Aspect): Call to Base_Type
+	needed in order to correctly check result type of String_Literal
+	function when the first named subtype differs from the base
+	type (e.g.:
+	type T is range 1 .. 10 with String_Literal => ... ;
+	).
+
+2020-11-24  Yannick Moy  <moy@adacore.com>
+
+	* sem_prag.adb (Analyze_Global_Item): Handle specially the
+	current instance of a PO.
+	* sem_util.ads (Is_Effectively_Volatile,
+	Is_Effectively_Volatile_For_Reading): Add parameter
+	Ignore_Protected.
+	* sem_util.adb (Is_Effectively_Volatile,
+	Is_Effectively_Volatile_For_Reading): Add parameter
+	Ignore_Protected to compute the query results ignoring protected
+	objects/types.
+	(Is_Effectively_Volatile_Object,
+	Is_Effectively_Volatile_Object_For_Reading): Adapt to new
+	signature.
+
+2020-11-24  Ghjuvan Lacambre  <lacambre@adacore.com>
+
+	* doc/gnat_ugn/building_executable_programs_with_gnat.rst:
+	Update documentation on -gnatyk.
+	* gnat_ugn.texi: Regenerate.
+
+2020-11-24  Yannick Moy  <moy@adacore.com>
+
+	* sem_ch10.adb (Analyze_Compilation_Unit): Move aspects from
+	body to the newly created spec.
+
+2020-11-24  Arnaud Charlet  <charlet@adacore.com>
+
+	* exp_ch6.adb (Add_Cond_Expression_Extra_Actual): Simplify
+	handling of function calls and remove bug in handling of
+	transient objects.  Minor reformatting along the way.
+
+2020-11-24  Arnaud Charlet  <charlet@adacore.com>
+
+	* libgnat/a-nbnbin.adb (From_String): Implement fully.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_aggr.adb (Resolve_Delta_Array_Aggregate): If the choice is
+	a subtype_indication then call
+	Resolve_Discrete_Subtype_Indication; both for choices
+	immediately inside array delta aggregates and inside
+	iterated_component_association within array delta aggregates.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* lib-load.adb, lib-writ.adb, lib.adb, par-load.adb,
+	rtsfind.adb, sem_ch10.adb: Use Present where possible.
+
+2020-11-24  Yannick Moy  <moy@adacore.com>
+
+	* sem_prag.adb (Analyze_Depends_Global): Reject Global and
+	Depends on null procedure.
+
+2020-11-24  Arnaud Charlet  <charlet@adacore.com>
+
+	* libgnat/a-nbnbre.adb (From_String): Handle properly '_'
+	characters.
+
+2020-11-24  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_spark.adb (Expand_SPARK_Array_Aggregate,
+	Expand_SPARK_N_Aggregate): Remove, no longer needed.
+	* sem_aggr.adb (Resolve_Iterated_Component_Association): Only
+	remove references in the analyzed expression when generating
+	code and the expression needs to be analyzed anew after being
+	rewritten into a loop.
+
+2020-11-24  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* doc/gnat_rm/implementation_defined_characteristics.rst: Complete
+	entry of 3.5.9(10).
+	* gnat_rm.texi: Regenerate.
+
 2020-11-20  Maciej W. Rozycki  <macro@linux-mips.org>
 
 	* adaint.c (__gnat_number_of_cpus): Check for the presence of
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 10cb51d..c3af98e 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,7 @@
+2020-11-24  Martin Sebor  <msebor@redhat.com>
+
+	* c-warn.c (warn_parm_array_mismatch): Avoid invalid redeclarations.
+
 2020-11-23  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 
 	* c-attribs.c (handle_special_var_sec_attribute): New.
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index e506034..fde2f96 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,10 @@
+2020-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/97958
+	* c-parser.c (c_parser_binary_expression): For omp atomic binary
+	expressions, use make_node instead of build2 to avoid checking build2
+	performs.
+
 2020-11-23  Joseph Myers  <joseph@codesourcery.com>
 
 	PR c/95630
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 76c1f15..be56219 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,16 @@
+2020-11-24  Jason Merrill  <jason@redhat.com>
+
+	PR c++/97899
+	* typeck2.c (store_init_value): Don't split_nonconstant_init in a
+	template.
+
+2020-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/96929
+	* constexpr.c (cxx_eval_binary_expression): For shifts by constant
+	with MSB set, emulate older wide_int_binop behavior to preserve
+	diagnostics and -fpermissive behavior.
+
 2020-11-23  Nathan Sidwell  <nathan@acm.org>
 
 	* module.cc: New dummy file.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f1cd406..b189ac4 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,99 @@
+2020-11-24  Martin Sebor  <msebor@redhat.com>
+
+	* gcc.dg/pr97955.c: New test.
+
+2020-11-24  Martin Sebor  <msebor@redhat.com>
+
+	* gcc.dg/Wstringop-overflow-47.c: Add a note.
+
+2020-11-24  Jason Merrill  <jason@redhat.com>
+
+	PR c++/97899
+	* g++.dg/cpp0x/initlist-template3.C: New test.
+
+2020-11-24  Martin Sebor  <msebor@redhat.com>
+
+	* gfortran.dg/gomp/declare-target-4.f90: Adjust pattern to expect
+	an additional attribute and function return type.
+
+2020-11-24  Richard Earnshaw  <rearnsha@arm.com>
+
+	* gcc.dg/pr97534.c: New test.
+
+2020-11-24  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* gcc.target/aarch64/aapcs64/abitest.h (FUNC_VAL_CHECK): Use
+	noipa rather than noinline.
+	* gcc.target/aarch64/aapcs64/abitest-2.h (FUNC_VAL_CHECK): Likewise.
+
+2020-11-24  Ilya Leoshkevich  <iii@linux.ibm.com>
+
+	* gcc.target/s390/zvector/autovec-double-quiet-uneq.c: Expect
+	that "vx" is not emitted.
+	* gcc.target/s390/zvector/autovec-float-quiet-uneq.c: Likewise.
+
+2020-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/97950
+	* gcc.target/i386/pr97950.c: New test.
+
+2020-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/97964
+	* gcc.dg/tree-ssa/pr97964.c: New test.
+
+2020-11-24  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* c-c++-common/goacc/kernels-decompose-1.c: Avoid Tcl 8.5-specific
+	behavior.
+	* c-c++-common/goacc/kernels-decompose-2.c: Likewise.
+	* gfortran.dg/goacc/kernels-decompose-1.f95: Likewise.
+	* gfortran.dg/goacc/kernels-decompose-2.f95: Likewise.
+
+2020-11-24  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* lib/gcc-dg.exp (dg-optimized, dg-missed): Use 'saved-dg-warning'
+	instead of 'saved-dg-error'.
+
+2020-11-24  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* lib/gcc-dg.exp (dg-optimized, dg-missed): Fix 'process-message'
+	call.
+	* gcc.dg/vect/nodump-vect-opt-info-1.c: Demonstrate.
+	* gcc.dg/vect/nodump-vect-opt-info-2.c: Likewise.
+
+2020-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/97958
+	* c-c++-common/gomp/pr97958.c: New test.
+
+2020-11-24  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/96929
+	* gcc.dg/tree-ssa/pr96929.c: New test.
+
+2020-11-24  Jeff Law  <law@redhat.com>
+
+	* gcc.dg/tree-ssa/pr23401.c: Update expected output.
+	* gcc.dg/tree-ssa/pr27810.c: Update expected output.
+	* gcc.dg/tree-ssa/slsr-8.c: Update expected output.
+
+2020-11-24  Kewen Lin  <linkw@linux.ibm.com>
+
+	* gcc.dg/vect/slp-perm-1.c: Adjust for partial vectors.
+	* gcc.dg/vect/slp-perm-5.c: Likewise.
+	* gcc.dg/vect/slp-perm-6.c: Likewise.
+	* gcc.dg/vect/slp-perm-7.c: Likewise.
+
+2020-11-24  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
+
+	PR tree-optimization/97849
+	* gcc.dg/tree-ssa/pr97849.c: New test.
+
+2020-11-24  Martin Sebor  <msebor@redhat.com>
+
+	* gcc.dg/attr-access-5.c: New test.
+
 2020-11-23  Joseph Myers  <joseph@codesourcery.com>
 
 	PR c/95630
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 1443083..307d0a2 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,29 @@
+2020-11-24  Nathan Sidwell  <nathan@acm.org>
+
+	* include/cpplib.h (struct cpp_hashnode): Add deferred field.
+	(cpp_set_deferred_macro): Define.
+	(cpp_get_deferred_macro): Declare.
+	(cpp_macro_definition): Reformat, add overload.
+	(cpp_macro_definition_location): Deal with deferred macro.
+	(cpp_alloc_token_string, cpp_compare_macro): Declare.
+	* internal.h (_cpp_notify_macro_use): Return bool
+	(_cpp_maybe_notify_macro_use): Likewise.
+	* directives.c (do_undef): Check macro is not undef before
+	warning.
+	(do_ifdef, do_ifndef): Deal with deferred macro.
+	* expr.c (parse_defined): Likewise.
+	* lex.c (cpp_allocate_token_string): Break out of ...
+	(create_literal): ... here.  Call it.
+	(cpp_maybe_module_directive): Deal with deferred macro.
+	* macro.c (cpp_get_token_1): Deal with deferred macro.
+	(warn_of_redefinition): Deal with deferred macro.
+	(compare_macros): Rename to ...
+	(cpp_compare_macro): ... here.  Make extern.
+	(cpp_get_deferred_macro): New.
+	(_cpp_notify_macro_use): Deal with deferred macro, return bool
+	indicating definedness.
+	(cpp_macro_definition): Deal with deferred macro.
+
 2020-11-19  Nathan Sidwell  <nathan@acm.org>
 
 	* include/cpplib.h (enum cpp_main_search): New.
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 13dd2a5..9296697 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,14 @@
+2020-11-24  Andrew Stubbs  <ams@codesourcery.com>
+
+	* plugin/plugin-gcn.c: Don't redefine relocations if elf.h has them.
+	(reserved): Delete unused define.
+
+2020-11-24  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* testsuite/libgomp.oacc-c-c++-common/kernels-decompose-1.c: Avoid
+	Tcl 8.5-specific behavior.
+	* testsuite/libgomp.oacc-fortran/pr94358-1.f90: Likewise.
+
 2020-11-18  Kwok Cheung Yeung  <kcy@codesourcery.com>
 
 	* env.c (gomp_global_icv): Remove nest_var field.  Add
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 28e8fc3..a609d90 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,31 @@
+2020-11-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/97936
+	PR libstdc++/97944
+	* testsuite/29_atomics/atomic_integral/wait_notify.cc: Disable.
+	Do not require pthreads, but add -pthread when appropriate.
+	* testsuite/30_threads/jthread/95989.cc: Likewise.
+	* testsuite/30_threads/latch/3.cc: Likewise.
+	* testsuite/30_threads/semaphore/try_acquire_until.cc: Likewise.
+
+2020-11-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/30_threads/jthread/95989.cc: Run all three test
+	functions, not just the first one twice.
+
+2020-11-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/67791
+	* src/c++11/thread.cc (thread::_M_start_thread(_State_ptr, void (*)())):
+	Check that gthreads is available before calling __gthread_create.
+
+2020-11-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++98/locale.cc (locale::facet::_S_get_c_locale())
+	(locale::id::_M_id() const): Use __is_single_threaded.
+	* src/c++98/locale_init.cc (locale::_S_initialize()):
+	Likewise.
+
 2020-11-23  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/bits/semaphore_base.h