[gcc r11-5633] Daily bump.

[gcc r11-5633] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:e0f5e7926789f2ddeabb5b0266958532a43cc155

commit r11-5633-ge0f5e7926789f2ddeabb5b0266958532a43cc155
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Wed Dec 2 00:16:41 2020 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 174 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/c-family/ChangeLog  |  29 ++++++++
 gcc/cp/ChangeLog        |  25 +++++++
 gcc/testsuite/ChangeLog | 111 ++++++++++++++++++++++++++++++
 libcpp/ChangeLog        |   9 +++
 libstdc++-v3/ChangeLog  |  51 ++++++++++++++
 7 files changed, 400 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 539130d2132..c4968b75fa2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,177 @@
+2020-12-01  Eugene Rozenfeld  <Eugene.Rozenfeld@microsoft.com>
+
+	PR tree-optimization/96708
+	* match.pd: New pattern for comparing X with MAX (X, Y)
+	or MIN (X, y).
+
+2020-12-01  Jeff Law  <law@redhat.com>
+
+	* config/mcore/t-mcore (MULTILIB_EXCEPTIONS): Define.
+
+2020-12-01  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/97595
+	* tree.c (component_ref_size): Fail when DECL_SIZE != TYPE_SIZE.
+	* tree.h (DECL_SIZE, TYPE_SIZE): Update comment.
+
+2020-12-01  JeanHeyd Meneide  <phdofthehouse@gmail.com>
+
+	* doc/cpp.texi: Document new macros.
+
+2020-12-01  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/97373
+	* builtins.c (compute_objsize): Rename...
+	(compute_objsize_r): to this.  Change order and types of arguments.
+	Use new argument.  Adjust calls to self.
+	(access_ref::get_ref): New member function.
+	(pointer_query::pointer_query): New member function.
+	(pointer_query::get_ref): Same.
+	(pointer_query::put_ref): Same.
+	(handle_min_max_size): Change order and types of arguments.
+	(maybe_emit_free_warning): Add a test.
+	* builtins.h (class pointer_query): New class.
+	(compute_objsize): Declare an overload.
+	* gimple-ssa-sprintf.c (get_destination_size): Add argument.
+	(handle_printf_call): Change argument type.
+	* tree-ssa-strlen.c (adjust_last_stmt): Add an argument and use it.
+	(maybe_warn_overflow): Same.
+	(handle_builtin_strcpy): Same.
+	(maybe_diag_stxncpy_trunc): Same.
+	(handle_builtin_memcpy): Change argument type.  Adjust calls.
+	(handle_builtin_strcat): Same.
+	(handle_builtin_memset): Same.
+	(handle_store): Same.
+	(strlen_check_and_optimize_call): Same.
+	(check_and_optimize_stmt): Same.
+	(strlen_dom_walker): Add new data members.
+	(strlen_dom_walker::before_dom_children): Use new member.
+	(printf_strlen_execute): Dump cache performance counters.  Remove
+	objsize pass cleanup.
+	* tree-ssa-strlen.h (maybe_diag_stxncpy_trunc): Add argument.
+	(handle_printf_call): Change argument type.
+
+2020-12-01  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* function.c (gen_call_used_regs_seq): In a function subject to the
+	leaf register optimization, skip registers that are not present.
+	* config/sparc/sparc.c (TARGET_ZERO_CALL_USED_REGS): Define to...
+	(sparc_zero_call_used_regs): ...this.  New function.
+
+2020-12-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* config/darwin.h: Remove unused 'X' specs in the link spec
+	rather than driver self-specs.
+
+2020-12-01  Nathan Sidwell  <nathan@acm.org>
+
+	* params.opt (lazy-modules): New.
+	* timevar.def (TV_MODULE_IMPORT, TV_MODULE_EXPORT)
+	(TV_MODULE_MAPPER): New.
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/97459
+	* optabs.c (expand_doubleword_mod): Punt early for even op1.
+	(expand_binop): Don't require lshr_optab double-word handler.
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/97954
+	* loop-invariant.c (find_invariant_insn): Punt on JUMP_P insns.
+
+2020-12-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* configure.ac (check leb128 support): Check that assemblers both
+	accept the LEB128 directives and also give the expected output.
+	Add a test for uleb128 with the MSB set for a 64 bit value.
+	* configure: Regenerated.
+
+2020-12-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* configure: Regnerated.
+
+2020-12-01  Ilya Leoshkevich  <iii@linux.ibm.com>
+
+	* optabs-tree.c (vec_cmp_icode_p): New function.
+	(vec_cmp_eq_icode_p): New function.
+	(expand_vec_cmp_expr_p): Use vec_cmp_icode_p and
+	vec_cmp_eq_icode_p.
+	(vcond_icode_p): Use get_rtx_code_1, just to be uniform with
+	vec_cmp_icode_p.
+	* optabs.c (unsigned_optab_p): New function.
+	(insn_predicate_matches_p): New function.
+	(can_vec_cmp_compare_p): New function.
+	(can_vcond_compare_p): Use unsigned_optab_p and
+	insn_predicate_matches_p.
+	(get_rtx_code): Use get_rtx_code_1.
+	(get_rtx_code_1): Version of get_rtx_code that returns UNKNOWN
+	instead of asserting.
+	* optabs.h (can_vec_cmp_compare_p): New function.
+	(get_rtx_code_1): New function.
+
+2020-12-01  Martin Liska  <mliska@suse.cz>
+
+	PR tree-optimization/14799
+	PR ipa/88702
+	* Makefile.in: Add gimple-if-to-switch.o.
+	* dbgcnt.def (DEBUG_COUNTER): Add new debug counter.
+	* passes.def: Include new pass_if_to_switch pass.
+	* timevar.def (TV_TREE_IF_TO_SWITCH): New timevar.
+	* tree-pass.h (make_pass_if_to_switch): New.
+	* tree-ssa-reassoc.c (struct operand_entry): Move to the header.
+	(dump_range_entry): Move to header file.
+	(debug_range_entry): Likewise.
+	(no_side_effect_bb): Make it global.
+	* tree-switch-conversion.h (simple_cluster::simple_cluster):
+	Add inline for couple of functions in order to prevent error
+	about multiple defined symbols.
+	* gimple-if-to-switch.cc: New file.
+	* tree-ssa-reassoc.h: New file.
+
+2020-12-01  Marius Hillenbrand  <mhillen@linux.ibm.com>
+
+	* configure.ac: Add configure option
+	--enable-s390-excess-float-precision and check to derive default
+	from glibc.
+	* config/s390/s390.c: Guard s390_excess_precision with an ifdef
+	for ENABLE_S390_EXCESS_FLOAT_PRECISION.
+	* doc/install.texi: Document --enable-s390-excess-float-precision.
+	* configure: Regenerate.
+	* config.in: Regenerate.
+
+2020-12-01  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/98057
+	* symtab.c (symtab_node::set_section_for_node): Drop
+	implicit_section if x_section is NULL.
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/98063
+	* config/i386/i386-expand.c (ix86_expand_call): Handle non-plt
+	CM_LARGE_PIC calls.
+
+2020-12-01  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/98070
+	* builtins.c (builtin_fnspec): realloc is ".Cw ".
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	* dwarf2out.c (gen_compile_unit_die): Treat GNU C++20
+	like C++14 for -gdwarf-5.
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/97989
+	* gcc.c (cpp_unique_options): Add -dD if %:debug-level-gt(2)
+	rather than g3|ggdb3|gstabs3|gxcoff3|gvms3.
+
+2020-12-01  Kito Cheng  <kito.cheng@sifive.com>
+
+	* config.gcc (riscv*-*-*): Drop some commited accidentally code.
+
 2020-11-30  Jeff Law  <law@redhat.com>
 
 	* symtab.c (set_section_for_node): Add function comment.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 91326ab1d8f..ddafb1c0f90 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201201
+20201202
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 4d966997957..0421c98cb85 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,32 @@
+2020-12-01  JeanHeyd Meneide  <phdofthehouse@gmail.com>
+
+	* c-cppbuiltin.c (c_cpp_builtins): Add predefined
+	{__GNUC_EXECUTION_CHARSET_NAME} and
+	_WIDE_EXECUTION_CHARSET_NAME} macros.
+
+2020-12-01  Nathan Sidwell  <nathan@acm.org>
+
+	* c-common.c (module, import, export): New internal tokens (with
+	trailing space).
+	* c-common.h (RID__MODULE, RID__IMPORT & RID__EXPORT): Enumerate
+	them.
+	(D_CXX_MODULES, D_CXX_MODULES_FLAGS): Enable them.
+	* c-cppbuiltin.c (c_cpp_builtins): Feature macro.
+
+2020-12-01  Nathan Sidwell  <nathan@acm.org>
+
+	* c-opts.c (c_common_init_options): Ask for module dependencies.
+	(c_common_handle_option): Handle -Mmodules -Mno-modules.
+	* c-pch.c (c_common_valid_pch): ... does not play with C++
+	modules.
+	* c.opt (Mmodules, Mno-modules): New preprocessor dependency
+	options.
+	(fmodules-ts, fmodule-header, fmodule-implicit-inline)
+	(fmodule-only, fmodule-mapper, fmodule-lazy)
+	(fmodule-version-ignore, Winvalid-imported-macros)
+	(flang-info-include-translate, flang-info-include-translate-not):
+	New options
+
 2020-11-28  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* c-ada-spec.c (dump_nested_type) <RECORD_TYPE>: Remove obsolete code.
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index cb81f21164b..9e5c0015d1c 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,28 @@
+2020-12-01  Ville Voutilainen  <ville.voutilainen@gmail.com>
+
+	PR c++/98054
+	* cxx-pretty-print.c (pp_cxx_trait_expression):
+	Add support for __is_nothrow_{assignable,constructible}.
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/98072
+	* parser.c (cp_parser_omp_depobj): Suppress location wrappers when
+	parsing depend clause.
+
+2020-12-01  Nathan Sidwell  <nathan@acm.org>
+
+	* lex.c (init_reswords): Maybe enable module keywords.
+
+2020-12-01  Nathan Sidwell  <nathan@acm.org>
+
+	* lang-specs.h: Add module-related options.
+
+2020-12-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* parser.c (cp_parser_declaration): Add a not about where
+	attributes may be placed.
+
 2020-11-27  Martin Sebor  <msebor@redhat.com>
 
 	* error.c (add_quotes): Revert previous change and use pragma to
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b5652ff7a84..5895c70e3fd 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,114 @@
+2020-12-01  Eugene Rozenfeld  <Eugene.Rozenfeld@microsoft.com>
+
+	* gcc.dg/pr96708-negative.c: New test.
+	* gcc.dg/pr96708-positive.c: New test.
+
+2020-12-01  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/97595
+	* g++.dg/warn/Warray-bounds-14.C: New test.
+	* g++.dg/warn/Wstringop-overflow-6.C: New test.
+
+2020-12-01  Jeff Law  <law@redhat.com>
+
+	* gcc.dg/tree-ssa/pr96480.c: Disable jump table optimization
+
+2020-12-01  JeanHeyd Meneide  <phdofthehouse@gmail.com>
+
+	* c-c++-common/cpp/wide-narrow-predef-macros.c: New test.
+
+2020-12-01  Jeff Law  <law@redhat.com>
+
+	* gcc.dg/pr46309-2.c: Add -fno-bit-tests and -fno-jump-tables
+	to avoid compromising the test.
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/98072
+	* c-c++-common/gomp/depobj-2.c: New test.
+
+2020-12-01  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/97373
+	* gcc.dg/tree-ssa/builtin-sprintf-warn-25.c: New test.
+
+2020-12-01  Martin Liska  <mliska@suse.cz>
+
+	* g++.dg/tree-ssa/if-to-switch-1.C: Do not allow newlines
+	in .* pattern.
+	* gcc.dg/tree-ssa/if-to-switch-1.c: Likewise.
+	* gcc.dg/tree-ssa/if-to-switch-2.c: Likewise.
+	* gcc.dg/tree-ssa/if-to-switch-3.c: Likewise.
+	* gcc.dg/tree-ssa/if-to-switch-5.c: Likewise.
+
+2020-12-01  Martin Liska  <mliska@suse.cz>
+
+	PR testsuite/98085
+	* g++.dg/tree-ssa/if-to-switch-1.C: Do not expect precise number
+	of BBs.
+	* gcc.dg/tree-ssa/if-to-switch-1.c: Likewise.
+	* gcc.dg/tree-ssa/if-to-switch-2.c: Likewise. Find better name
+	for the function.
+	* gcc.dg/tree-ssa/if-to-switch-3.c: Likewise. Find better name
+	for the function.
+	* gcc.dg/tree-ssa/if-to-switch-5.c: Likewise.
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/97954
+	* gcc.dg/pr97954.c: New test.
+
+2020-12-01  Matthew Malcomson  <matthew.malcomson@arm.com>
+
+	* lib/hwasan-dg.exp (check_effective_target_hwaddress_exec): Fix
+	check for correct kernel version.
+
+2020-12-01  Martin Liska  <mliska@suse.cz>
+
+	PR tree-optimization/14799
+	PR ipa/88702
+	* gcc.dg/tree-ssa/pr96480.c: Disable if-to-switch conversion.
+	* gcc.dg/tree-ssa/reassoc-32.c: Likewise.
+	* g++.dg/tree-ssa/if-to-switch-1.C: New test.
+	* gcc.dg/tree-ssa/if-to-switch-1.c: New test.
+	* gcc.dg/tree-ssa/if-to-switch-2.c: New test.
+	* gcc.dg/tree-ssa/if-to-switch-3.c: New test.
+	* gcc.dg/tree-ssa/if-to-switch-4.c: New test.
+	* gcc.dg/tree-ssa/if-to-switch-5.c: New test.
+	* gcc.dg/tree-ssa/if-to-switch-6.c: New test.
+	* gcc.dg/tree-ssa/if-to-switch-7.c: New test.
+	* gcc.dg/tree-ssa/if-to-switch-8.c: New test.
+
+2020-12-01  Marius Hillenbrand  <mhillen@linux.ibm.com>
+
+	* gcc.target/s390/float_t-1.c: New test.
+	* gcc.target/s390/float_t-2.c: New test.
+
+2020-12-01  Martin Liska  <mliska@suse.cz>
+
+	* g++.dg/torture/pr93347.C: Reduce and remove LIT keywords.
+
+2020-12-01  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/98057
+	* g++.dg/ipa/pr98057.C: New test.
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/98063
+	* gcc.target/i386/pr98063.c: New test.
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	* g++.dg/debug/dwarf2/lang-cpp17.C: New test.
+	* g++.dg/debug/dwarf2/lang-cpp20.C: New test.
+
+2020-12-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/97989
+	* gcc.dg/cpp/pr97989-1.c: New test.
+	* gcc.dg/cpp/pr97989-2.c: New test.
+
 2020-11-30  David Malcolm  <dmalcolm@redhat.com>
 
 	* gcc.dg/plugin/analyzer_gil_plugin.c: New test.
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 56c4b16c32a..83cbde30b3c 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,12 @@
+2020-12-01  JeanHeyd Meneide  <phdofthehouse@gmail.com>
+
+	* charset.c (init_iconv_desc): Initialize "to" and "from" fields.
+	* directives.c (cpp_get_narrow_charset_name): New function.
+	(cpp_get_wide_charset_name): Likewise.
+	* include/cpplib.h (cpp_get_narrow_charset_name): Prototype.
+	(cpp_get_wide_charset_name): Likewise.
+	* internal.h (cset_converter): Add "to" and "from" fields.
+
 2020-11-27  Joseph Myers  <joseph@codesourcery.com>
 
 	PR preprocessor/97602
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 54d5301bd60..d78021b2f89 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,54 @@
+2020-12-01  Thomas Rodgers  <trodgers@redhat.com>
+
+	* include/bits/atomic_base.h: Replace usage of
+	_GLIBCXX_HAVE_ATOMIC_WAIT with __cpp_lib_atomic_wait.
+	* include/bits/atomic_timed_wait.h: Likewise.
+	* include/bits/atomic_wait.h: Define __cpp_lib_atomic_wait
+	feature test macro.
+	* include/bits/semaphore_base.h: Replace usage of
+	_GLIBCXX_HAVE_ATOMIC_WAIT with __cpp_lib_atomic_wait.
+	* include/std/atomic: Likewise.
+	* include/std/latch: Likewise.
+	* include/std/semaphore: Likewise.
+	* include/std/version: Define __cpp_lib_atomic wait
+	feature test macro and replace usage of
+	_GLIBCXX_HAVE_ATOMIC_WAIT.
+	* testsuite/29_atomics/atomic/wait_notify/1.cc: New test.
+	* testsuite/29_atomics/atomic/wait_notify/2.cc: Likewise.
+
+2020-12-01  Michael Weghorn  <m.weghorn@posteo.de>
+
+	* python/libstdcxx/v6/printers.py (StdBitIteratorPrinter)
+	(StdBitReferencePrinter): Add pretty-printers for
+	_Bit_reference, _Bit_iterator and _Bit_const_iterator.
+	* testsuite/libstdc++-prettyprinters/simple.cc: Test
+	std::_Bit_reference, std::_Bit_iterator and
+	std::_Bit_const_iterator.
+	* testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
+
+2020-12-01  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/c++config (_GLIBCXX_HAS_BUILTIN): Define macro to
+	work around different implementations of __has_builtin.
+	(_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
+	(_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE)
+	(_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED)
+	(_GLIBCXX_HAVE_BUILTIN_IS_SAME, _GLIBCXX_HAVE_BUILTIN_LAUNDER):
+	Define using _GLIBCXX_HAS_BUILTIN.
+
+2020-12-01  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/27_io/basic_istream/get/char/lwg3464.cc: Add
+	dg-timeout-factor directive.
+	* testsuite/27_io/basic_istream/get/wchar_t/lwg3464.cc:
+	Likewise.
+
+2020-12-01  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/98003
+	* testsuite/27_io/basic_syncbuf/sync_ops/1.cc: Add options for
+	libatomic.
+
 2020-11-30  Jonathan Wakely  <jwakely@redhat.com>
 
 	* doc/doxygen/user.cfg.in (INPUT): Add <latch> and <semaphore>.