[gcc r11-5509] Daily bump.

[gcc r11-5509] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:e87559d202d90e614315203f38f9aa2f5881d36e

commit r11-5509-ge87559d202d90e614315203f38f9aa2f5881d36e
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sat Nov 28 00:16:38 2020 +0000

    Daily bump.

Diff:
---
 contrib/ChangeLog       |   6 ++
 gcc/ChangeLog           |  80 +++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/ada/ChangeLog       | 253 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/cp/ChangeLog        |   5 +
 gcc/d/ChangeLog         |  16 +++
 gcc/testsuite/ChangeLog |  80 +++++++++++++++
 libcpp/ChangeLog        |   6 ++
 libphobos/ChangeLog     |  29 ++++++
 libstdc++-v3/ChangeLog  | 129 ++++++++++++++++++++++++
 10 files changed, 605 insertions(+), 1 deletion(-)

diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 9bd36a5f8ac..803140101b1 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,9 @@
+2020-11-27  Martin Liska  <mliska@suse.cz>
+
+	* gcc-changelog/git_commit.py: Use regex for cherry pick prefix.
+	* gcc-changelog/test_email.py: Test it.
+	* gcc-changelog/test_patches.txt: Likewise.
+
 2020-11-25  Martin Liska  <mliska@suse.cz>
 
 	* gcc-changelog/git_commit.py: Use revert_regex instead
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 672353c3f1c..e6462c04aa4 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,83 @@
+2020-11-27  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR other/98027
+	* doc/install.texi: Default to --enable-cet=auto.
+
+2020-11-27  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* omp-oacc-kernels-decompose.cc (flatten_binds): Don't choke on
+	empty GIMPLE sequence, and examine all statements contained in
+	inner 'GIMPLE_BIND'.
+
+2020-11-27  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/98024
+	* tree-ssa-pre.c (insert): Fix successor RPO order check.
+	(do_pre_regular_insertion): When inserting an assignment
+	in place of an all-same-value PHI still record that into
+	PHI_GEN.
+
+2020-11-27  Jakub Jelinek  <jakub@redhat.com>
+
+	* tree-ssanames.c (get_range_info): Handle INTEGER_CST by returning
+	VR_RANGE with both *min and *max set to the wide_int value of the
+	INTEGER_CST.  Return VR_VARYING for non-SSA_NAMEs.
+	* match.pd ((t * 2) / 2) -> t): Handle also @0 being INTEGER_CST.
+	Simplify by calling get_range_info on everything.
+	* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Simplify by calling
+	get_range_info on everything.
+	* tree-scalar-evolution.c (iv_can_overflow_p): Likewise.
+
+2020-11-27  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libstdc++/88101
+	* gimple-fold.c (clear_padding_type): Ignore fields with is_empty_type
+	types.
+
+2020-11-27  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR c/97880
+	* omp-expand.c (expand_oacc_collapse_init, expand_oacc_collapse_vars):
+	Use now passed diff_type.
+	(expand_oacc_for): Take largest type for diff_type, taking tiling
+	and collapsing into account.
+
+2020-11-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* config/aarch64/aarch64.opt
+	(-param=aarch64-autovec-preference): Define.
+	* config/aarch64/aarch64.c (aarch64_override_options_internal):
+	Set aarch64_sve_compare_costs to 0 when preferring only Advanced
+	SIMD.
+	(aarch64_cmp_autovec_modes): Define.
+	(aarch64_preferred_simd_mode): Adjust to use the above.
+	(aarch64_autovectorize_vector_modes): Likewise.
+	* doc/invoke.texi: Document aarch64-autovec-preference param.
+
+2020-11-27  Xionghu Luo  <luoxhu@linux.ibm.com>
+
+	* config/rs6000/rs6000-call.c (altivec_expand_vec_set_builtin):
+	Change call param 2 from type int to rtx.
+	* config/rs6000/rs6000-protos.h (rs6000_expand_vector_set):
+	Likewise.
+	* config/rs6000/rs6000.c (rs6000_expand_vector_init):
+	Change call param 2 from type int to rtx.
+	(rs6000_expand_vector_set): Likewise.
+	* config/rs6000/vector.md (vec_set<mode>): Support both constant
+	and variable index vec_set.
+
+2020-11-27  Haochen Gui  <guihaoc@gcc.gnu.org>
+
+	* config/rs6000/rs6000-protos.h (rs6000_output_addr_vec_elt): Declare.
+	* config/rs6000/rs6000.c (TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC):
+	Define.
+	(rs6000_gen_pic_addr_diff_vec, rs6000_output_addr_vec_elt): Implement.
+	* config/rs6000/rs6000.h (CASE_VECTOR_PC_RELATIVE,
+	CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Define.
+	* config/rs6000/rs6000.md (tablejump<mode>_absolute,
+	tablejump<mode>_absolute_nospec): New expanders.
+	* config/rs6000/rs6000.opt (mrelative-jumptables): New.
+
 2020-11-26  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR target/96607
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 5476fe043d6..b79287fabff 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201127
+20201128
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 4ebac34f811..83f7d8ad61e 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,256 @@
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* libgnat/s-valuef.adb (Integer_To_Fixed): Take into account the
+	extra digit when scaling up the input.
+	* libgnat/s-valuer.adb (Scan_Decimal_Digits): Restrict previous
+	change to fixed-point types.
+	(Scan_Integral_Digits): Likewise.
+
+2020-11-27  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_res.adb (Parent_Is_Boolean): Simplify.
+	(Resolve_Op_Not): Reduce scope of a local variable.
+
+2020-11-27  Piotr Trojanek  <trojanek@adacore.com>
+
+	* cstand.adb: Simplify with Append_New_Elmt.
+	* sem_util.adb: Likewise.
+
+2020-11-27  Arnaud Charlet  <charlet@adacore.com>
+
+	* sem_eval.adb (Fold_Shift): Fix evaluation of Shift_Right on
+	negative values.
+
+2020-11-27  Arnaud Charlet  <charlet@adacore.com>
+
+	* exp_ch6.adb (Expand_Call): Properly split
+	Transform_Function_Array and Modify_Tree_For_C.
+
+2020-11-27  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_eval.ads (Compile_Time_Compare): Restore parameter Diff to
+	be of an access type.
+	* sem_eval.adb (Compile_Time_Compare): Adapt body and callers.
+	* sem_attr.adb (Eval_Attribute): Adapt callers.
+
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* libgnat/s-valuer.adb (Scan_Decimal_Digits): Round Extra.
+	(Scan_Integral_Digits): Likewise.
+
+2020-11-27  Yannick Moy  <moy@adacore.com>
+
+	* checks.adb (Selected_Range_Checks): Adapt the condition for
+	applying range checks so that it is not done inside generics.
+
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* exp_fixd.adb (Build_Double_Divide): Only use a 128-bit
+	division if one of the operands is larger than 64 bits.
+	(Build_Double_Divide_Code): Likewise.
+	(Build_Scaled_Divide): Likewise.
+	(Build_Scaled_Divide_Code): Likewise.
+
+2020-11-27  Arnaud Charlet  <charlet@adacore.com>
+
+	* libgnat/s-os_lib.adb (To_GM_Time): Return valid and consistent
+	values for Invalid_Time.
+
+2020-11-27  Steve Baird  <baird@adacore.com>
+
+	* snames.ads-tmpl: Define new Name_Stable_Properties Name_Id
+	value.
+	* aspects.ads, aspects.adb: Add new Aspect_Stable_Properties
+	enumeration literal to Aspect_Id type. Add Class_Present
+	parameter to Find_Aspect and related
+	functions (Find_Value_Of_Aspect and Has_Aspect).
+	* sem_util.adb (Has_Nontrivial_Precondition): Fix
+	previously-latent bug uncovered by adding Class_Present
+	parameter to Aspect.Find_Aspect. The code was wrong before, but
+	with the change the bug was more likely to make a user-visible
+	difference.
+	* sem_ch6.adb (Analyze_Operator_Symbol): If a string literal
+	like "abs" or "-" occurs in a Stable_Properties aspect
+	specification, then it is to be interpreted as an operator
+	symbol and not as a string literal.
+	* sem_ch13.ads: Export new Parse_Aspect_Stable_Properties
+	function, analogous to the existing Parse_Aspect_Aggregate
+	exported procedure.
+	* sem_ch13.adb: (Parse_Aspect_Stable_Properties): New function;
+	analogous to existing Parse_Aspect_Aggregate.
+	(Validate_Aspect_Stable_Properties): New procedure; analogous to
+	existing Validate_Aspect_Aggregate. Called from the same case
+	statement (casing on an Aspect_Id value) where
+	Validate_Aspect_Aggregate is called.
+	(Resolve_Aspect_Stable_Properties): New procedure; analogous to
+	existing Resolve_Aspect_Aggregate. Called from the same two case
+	statements (each casing on an Aspect_Id value) where
+	Resolve_Aspect_Aggregate is called.
+	(Analyze_Aspect_Specifications): Set Has_Delayed_Aspects and
+	Is_Delayed_Aspect attributes for Aspect_Stable_Properties aspect
+	specifications.
+	(Check_Aspect_At_End_Of_Declarations): The syntactic
+	"expression" for a Stable_Properties aspect specification is not
+	semantically an expression; it doesn't have a type. Thus, force
+	T to be empty in this case.
+	* contracts.adb (Expand_Subprogram_Contract): Add call to new
+	local procedure,
+	Expand_Subprogram_Contract.Add_Stable_Property_Contracts, which
+	generates Postcondition pragmas corresponding to stable property
+	checks.
+
+2020-11-27  Piotr Trojanek  <trojanek@adacore.com>
+
+	* doc/gnat_rm/implementation_defined_pragmas.rst:
+	(Assertion_Policy): Move "Default_Initial_Condition" from
+	ID_ASSERTION_KIND to RM_ASSERTION_KIND section.
+	* gnat_rm.texi: Regenerate.
+
+2020-11-27  Piotr Trojanek  <trojanek@adacore.com>
+
+	* doc/gnat_rm/implementation_defined_pragmas.rst
+	(Assertion_Policy): Add "Default_Initial_Condition",
+	"Initial_Condition" and "Subprogram_Variant".
+	* gnat_rm.texi: Regenerate.
+
+2020-11-27  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_prag.adb (Is_Valid_Assertion_Kind): Return False on
+	"Assertion_Policy"
+
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* make.adb (GNAT_Flag): Change to "-gnatg".
+	(Compile): Adjust comments accordingly.
+
+2020-11-27  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_ch4.adb (Rewrite_Comparison): Add assertion to confirm
+	that evaluation folds comparisons with static operands; when
+	folding comparison with non-static operands, the resulting
+	literal is non-static.
+	* sem_eval.adb (Eval_Relational_Op): Refactor nested IF
+	statement for the special case in the THEN branch; move code for
+	the "general case" out of the ELSE branch.
+	* sem_res.adb (Resolve_Comparison_Op): Only apply a dubious
+	special-case for GNATprove in the GNATprove_Mode.
+
+2020-11-27  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_eval.ads (Compile_Time_Compare): Change parameter Diff
+	from access to mode out.
+	* sem_eval.adb (Compile_Time_Compare): Adapt body and callers.
+	* sem_attr.adb (Eval_Attribute): Adapt callers.
+
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* exp_ch4.adb (Expand_N_Op_Multiply): Move down block calling
+	Narrow_Large_Operation if the type is Universal_Integer.
+
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* libgnat/a-nbnbre.adb: Remove clauses for System.Img_Real and
+	add them for System.Unsigned_Types.
+	(Float_Conversions.To_Big_Real): Reimplement.
+	(Float_Conversions.From_Big_Real): Likewise.
+
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* checks.ads (Determine_Range_To_Discrete): New procedure.
+	* checks.adb (Apply_Scalar_Range_Check): Call it to determine
+	a range for the expression when the target type is discrete.
+	And also apply the tests for discrete types to fixed-point
+	types when they are treated as integers.
+	(Apply_Type_Conversion_Checks): Apply checks to conversions
+	involving fixed-point types when they are treated as integers.
+	(Determine_Range) <N_Type_Conversion>: Factor out code into...
+	(Determine_Range_To_Discrete): ...this new procedure and add
+	support for fixed-point types when they are treated as integers.
+	* einfo.ads (Type_High_Bound): Remove obsolete sentence.
+	(Type_Low_Bound): Likewise.
+	* exp_ch4.adb (Discrete_Range_Check): Remove obsolete code.
+	(Real_Range_Check): Likewise.
+	(Expand_N_Type_Conversion): In case of a no-op conversion, clear
+	the Do_Range_Check flag on the operand before substituting it.
+	Remove calls to Real_Range_Check and Discrete_Range_Check that
+	are not guarded by the Do_Range_Check flag, and an assertion.
+	* sem_res.adb (Resolve_Type_Conversion): Always apply range
+	checks in GNATprove mode; in normal mode, use the updated type
+	of the operand in the test against Universal_Fixed.  Remove
+	obsolete code setting the Do_Range_Check flag at the end.
+
+2020-11-27  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_prag.adb (Analyze_Pragma): Change "Ref Manual" to RM;
+	replace uses of an unnecessary "Ok" variable with RETURN
+	statements; replace nested IF with ELSIF.
+
+2020-11-27  Arnaud Charlet  <charlet@adacore.com>
+
+	* libgnarl/s-tasren.adb (Local_Complete_Rendezvous): Always call
+	Defer_Abort.
+	* libgnat/a-except.adb: Abort does not need to be deferred.
+	* libgnarl/s-tpobop.adb (Exceptional_Complete_Entry_Body): Abort
+	never needs to be undeferred here.
+	* exp_ch11.adb (Expand_Exception_Handlers): Remove difference
+	between ZCX and SJLJ.
+	* exp_ch9.adb (Expand_N_Asynchronous_Select): Remove different
+	handling for sjlj.
+	* exp_sel.ads, exp_sel.adb (Build_Abort_Block,
+	Build_Abort_Block_Handler): Ditto.
+
+2020-11-27  Ghjuvan Lacambre  <lacambre@adacore.com>
+
+	* sem_prag.adb (Analyze_Pragma): declare new Check_No_Return
+	function and call it.
+
+2020-11-27  Arnaud Charlet  <charlet@adacore.com>
+
+	* sem_ch12.adb (Instantiate_Object): Consistently use
+	New_Copy_Tree instead of New_Copy.
+
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* exp_fixd.adb (Build_Conversion): Adjust head comment.
+	(Build_Divide): Likewise.
+	(Build_Double_Divide): Likewise.
+	(Build_Multiply): Likewise.
+	(Build_Rem): Likewise.
+	(Build_Scaled_Divide): Likewise.
+
+2020-11-27  Arnaud Charlet  <charlet@adacore.com>
+
+	* libgnat/s-genbig.ads, libgnat/s-genbig.adb (To_Bignum): New
+	variant taking an Unsigned_128.
+	* libgnat/a-nbnbin.adb (To_Big_Integer): Add support for 128
+	bits signed and unsigned types.
+
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* libgnat/s-imagef.adb (Set_Image_Fixed): Pass the full value
+	of the quotient to Set_Image_Integer during the first round and
+	adjust the handling of the minus sign.
+
+2020-11-27  Arnaud Charlet  <charlet@adacore.com>
+
+	* libgnat/a-nbnbre.adb ("=", "<"): Fix.
+
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* libgnat/s-valuer.adb (Scan_Raw_Real): Move pragma Annotate around
+	and adjust its parameters.
+
+2020-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* exp_fixd.adb (Build_Double_Divide): Use the RM size of types and
+	a more precise estimate for the size of the denominator.
+	(Build_Double_Divide_Code): Likewise.
+	(Build_Multiply): Use a more precise estimate for the size of the
+	result.
+	(Build_Scaled_Divide):  Use the RM size of types and a more precise
+	estimate for the size of the numerator.
+	(Build_Scaled_Divide_Code): Likewise.
+
 2020-11-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* Makefile.rtl <sparc*-sun-solaris*> (THREADSLIB): Remove.
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index cf8e58bfbd5..cb81f21164b 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2020-11-27  Martin Sebor  <msebor@redhat.com>
+
+	* error.c (add_quotes): Revert previous change and use pragma to
+	suppress -Wformat-diag.
+
 2020-11-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* g++spec.c (TIMELIB, TIME_LIBRARY): Remove.
diff --git a/gcc/d/ChangeLog b/gcc/d/ChangeLog
index b3a31dd9294..d468afbcdae 100644
--- a/gcc/d/ChangeLog
+++ b/gcc/d/ChangeLog
@@ -1,3 +1,19 @@
+2020-11-27  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* dmd/MERGE: Merge upstream dmd db0df3f7e.
+	* types.cc (TypeVisitor::visit (TypeFunction *)): Remove LINKpascal.
+
+2020-11-27  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* intrinsics.cc (maybe_expand_intrinsic): Handle new intrinsics.
+	* intrinsics.def (INTRINSIC_COS): Add float and double overloads.
+	(INTRINSIC_FABS): Likewise.
+	(INTRINSIC_LDEXP): Likewise.
+	(INTRINSIC_RINT): Likewise.
+	(INTRINSIC_RNDTOL): Likewise.
+	(INTRINSIC_SIN): Likewise.
+	(INTRINSIC_TOPREC): Adjust signature.
+
 2020-11-22  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	PR d/97889
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index cee6cc87e57..d631b713a87 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,83 @@
+2020-11-27  Joseph Myers  <joseph@codesourcery.com>
+
+	PR preprocessor/97602
+	* gcc.dg/cpp/line9.c, gcc.dg/cpp/line10.c: New tests.
+
+2020-11-27  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* gdc.dg/intrinsics.d: Adjust patterns in scan-tree-dump.
+
+2020-11-27  Uroš Bizjak  <ubizjak@gmail.com>
+
+	PR testsuite/98036
+	* gcc.target/i386/fma4-256-maccXX.c (check_maccps):
+	Remove unnecessary postfix increment on a returned variable.
+	(check_maccpd): Ditto.
+	* gcc.target/i386/fma4-256-msubXX.c (check_msubps): Ditto.
+	(check_msubpd): Ditto.
+	* gcc.target/i386/fma4-256-nmaccXX.c (check_nmaccps): Ditto.
+	(check_nmaccpd): Ditto.
+	* gcc.target/i386/fma4-256-nmsubXX.c (check_nmsubps): Ditto.
+	(check_nmsubpd): Ditto.
+	* gcc.target/i386/fma4-maccXX.c (check_maccps): Ditto.
+	(check_maccpd): Ditto.
+	(check_maccss): Ditto.
+	(check_maccsd): Ditto.
+	* gcc.target/i386/fma4-msubXX.c (check_msubps): Ditto.
+	(check_msubpd): Ditto.
+	(check_msubss): Ditto.
+	(check_msubsd): Ditto.
+	* gcc.target/i386/fma4-nmaccXX.c (check_nmaccps): Ditto.
+	(check_nmaccpd): Ditto.
+	(check_nmaccss): Ditto.
+	(check_nmaccsd): Ditto.
+	* gcc.target/i386/fma4-nmsubXX.c (check_nmsubps): Ditto.
+	(check_nmsubpd): Ditto.
+	(check_nmsubss): Ditto.
+	(check_nmsubsd): Ditto.
+	* gcc.target/i386/xop-haddX.c (check_sbyte2word): Add missing return.
+	(check_sbyte2dword):
+	Remove unnecessary postfix increment on a returned value.
+	(check_sbyte2qword): Ditto.
+	(check_sword2dword): Add missing return.
+	(check_sword2qword):
+	Remove unnecessary postfix increment on a returned value.
+	(check_dword2qword): Add missing return.
+	* gcc.target/i386/xop-hadduX.c (check_byte2word): Add missing return.
+	(check_byte2dword):
+	Remove unnecessary postfix increment on a returned value.
+	(check_byte2qword): Ditto.
+	(check_word2dword): Add missing return.
+	(check_word2qword):
+	Remove unnecessary postfix increment on a returned value.
+	(check_word2qword): Add missing return.
+	* gcc.target/i386/xop-hsubX.c (check_sbyte2word): Add missing return.
+	(check_sword2dword): Ditto.
+	(check_sword2qword): Ditto.
+
+2020-11-27  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* c-c++-common/goacc/kernels-decompose-ice-1.c: Adjust.
+	* c-c++-common/goacc/kernels-decompose-ice-2.c: Likewise.
+
+2020-11-27  Tobias Burnus  <tobias@codesourcery.com>
+
+	* gfortran.dg/gomp/requires-4.f90: Fix typo in '!$omp' clause.
+
+2020-11-27  Tobias Burnus  <tobias@codesourcery.com>
+
+	* gfortran.dg/gomp/requires-4.f90: Fix '!$omp' syntax.
+
+2020-11-27  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libstdc++/88101
+	* g++.dg/torture/builtin-clear-padding-3.C: New test.
+
+2020-11-27  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR c/97880
+	* gcc.dg/goacc/tile-1.c: New test.
+
 2020-11-26  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/97997
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 307d0a2664c..56c4b16c32a 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,9 @@
+2020-11-27  Joseph Myers  <joseph@codesourcery.com>
+
+	PR preprocessor/97602
+	* directives.c (strtolinenum): Check for overflow before it
+	occurs.  Correct comment.
+
 2020-11-24  Nathan Sidwell  <nathan@acm.org>
 
 	* include/cpplib.h (struct cpp_hashnode): Add deferred field.
diff --git a/libphobos/ChangeLog b/libphobos/ChangeLog
index d4c9184ead3..0957b1a9dd5 100644
--- a/libphobos/ChangeLog
+++ b/libphobos/ChangeLog
@@ -1,3 +1,32 @@
+2020-11-27  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	PR d/98025
+	* Makefile.in: Regenerate.
+	* configure: Regenerate.
+	* configure.ac (DCFG_ENABLE_CET): Substitute.
+	* libdruntime/MERGE: Merge upstream druntime 0fe7974c.
+	* libdruntime/Makefile.in: Regenerate.
+	* libdruntime/core/thread.d: Import gcc.config.
+	(class Fiber): Add ucontext_t fields when GNU_Enable_CET is true.
+	* libdruntime/gcc/config.d.in (GNU_Enable_CET): Define.
+	* src/Makefile.in: Regenerate.
+	* testsuite/Makefile.in: Regenerate.
+
+2020-11-27  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* libdruntime/MERGE: Merge upstream druntime d37ef985.
+	* libdruntime/Makefile.am (DRUNTIME_DSOURCES_FREEBSD): Add
+	core/sys/freebsd/config.d
+	* libdruntime/Makefile.in: Regenerate.
+
+2020-11-27  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* src/MERGE: Merge upstream phobos 38873fe6e.
+
+2020-11-27  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* libdruntime/MERGE: Merge upstream druntime 5e4492c4.
+
 2020-11-18  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* configure.tgt: Add *-*-dragonfly* as a supported target.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 2e5b87a33e9..030637c5e4f 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,132 @@
+2020-11-27  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/lib/libstdc++.exp (v3_try_preprocess): Define
+	new proc to preprocess a chunk of code.
+	(v3_check_preprocessor_condition): Define new proc to test
+	a preprocessor condition depending on GCC or libstdc++ macros.
+	(check_v3_target_debug_mode, check_v3_target_normal_mode):
+	Use v3_try_preprocess.
+	(check_v3_target_normal_namespace)
+	(check_v3_target_parallel_mode, check_v3_target_cstdint)
+	(check_v3_target_cmath, check_v3_target_atomic_builtins)
+	(check_v3_target_gthreads, check_v3_target_gthreads_timed)
+	(check_v3_target_sleep, check_v3_target_sched_yield)
+	(check_v3_target_string_conversions, check_v3_target_swprintf)
+	(check_v3_target_binary_io, check_v3_target_nprocs): Use
+	v3_check_preprocessor_condition.
+	(check_effective_target_cxx11): Likewise.
+	(check_effective_target_random_device): Likewise.
+	(check_effective_target_tbb-backend): Likewise.
+	(check_effective_target_futex): Likewise.
+	(check_v3_target_little_endian) Call check_effective_target_le.
+	(check_effective_target_atomic-builtins): New proc to define
+	new effective-target keyword.
+	(check_effective_target_gthreads-timed): Likewise.
+
+2020-11-27  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/27_io/filesystem/operations/absolute.cc: Avoid
+	-Wrange-loop-construct warning.
+	* testsuite/27_io/filesystem/path/append/source.cc: Likewise.
+	* testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
+	* testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
+	* testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
+	* testsuite/27_io/filesystem/path/decompose/extension.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/decompose/filename.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/decompose/parent_path.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/decompose/relative_path.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/decompose/root_directory.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/decompose/root_path.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
+	* testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
+	* testsuite/27_io/filesystem/path/nonmember/cmp.cc: Likewise.
+	* testsuite/27_io/filesystem/path/nonmember/cmp_c++20.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/nonmember/hash_value.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/query/has_extension.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/query/has_filename.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/query/has_parent_path.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/query/has_relative_path.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/query/has_root_directory.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/query/has_root_name.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/query/has_root_path.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
+	* testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
+	* testsuite/experimental/filesystem/operations/absolute.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
+	* testsuite/experimental/filesystem/path/compare/path.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/construct/copy.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/decompose/extension.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/decompose/filename.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/decompose/parent_path.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/decompose/relative_path.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/decompose/root_directory.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/decompose/root_path.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/itr/traversal.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/query/has_extension.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/query/has_filename.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/query/has_parent_path.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/query/has_relative_path.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/query/has_root_directory.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/query/has_root_name.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/query/has_root_path.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/query/has_stem.cc:
+	Likewise.
+	* testsuite/experimental/filesystem/path/query/is_relative.cc:
+	Likewise.
+
+2020-11-27  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++98/locale.cc (locale::facet::_S_get_c_locale()):
+	Revert change to use __is_single_threaded.
+	* src/c++98/locale_init.cc (locale::_S_initialize()):
+	Likewise.
+
 2020-11-26  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/bits/atomic_wait.h (_GLIBCXX_HAVE_ATOMIC_WAIT):