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  1. 31 May, 2019 17 commits
    • tree-ssa-alias.c (type_has_components_p): New function. · 1facd627 
      
	* tree-ssa-alias.c (type_has_components_p): New function.
	(aliasing_component_refs_p): Use it.

From-SVN: r271813
      Jan Hubicka committed
    • Fix breakage due to removing __gnu_cxx::size_t declaration · ff0b7e88 
      Restore the using-declaration but locally in the source file, not in the
header.

	* src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.

From-SVN: r271812
      Jonathan Wakely committed
    • [C++PATCH] Lambda names are anonymous · ca3edeae 
      https://gcc.gnu.org/ml/gcc-patches/2019-05/msg02126.html
	* cp-tree.h (IDENTIFIER_LAMBDA_P): New.
	(TYPE_ANON_P): New.
	(LAMBDA_TYPE_P, TYPE_UNNAMED_P):  Likewise.
	(LAMBDANAME_PREFIX, LAMBDANAME_FORMAT): Delete.
	(make_lambda_name): Don't declare.
	* error.c (dump_aggr_type): Check for lambdas before other
	anonymous names.
	* lambda.c (begin_lambda_type): Use make_anon_name.
	* cp-lang.c (cxx_dwarf_name): Lambda names smell anonymous.
	* mangle.c (write_local_name): Likewise.
	* name-lookup.c (lambda_cnt, make_lambda_name): Delete.

From-SVN: r271811
      Nathan Sidwell committed
    • cpu-future.c: Require powerpc_future_ok. · 929c046d 
      2019-05-31  Bill Schmidt  <wschmidt@linux.ibm.com>
	    Michael Meissner  <meissner@linux.ibm.com>

	* gcc.target/powerpc/cpu-future.c: Require powerpc_future_ok.
	* gcc.target/powerpc/localentry-1.c: Likewise.
	* gcc.target/powerpc/localentry-direct-1.c: Likewise.
	* gcc.target/powerpc/notoc-direct-1.c: Likewise.
	* gcc.target/powerpc/pcrel-sibcall-1.c: Likewise.
	* lib/target-supports.exp (check_powerpc_future_hw_available): New.
	(check_effective_target_powerpc_future_ok): New.


Co-Authored-By: Michael Meissner <meissner@linux.ibm.com>

From-SVN: r271810
      Bill Schmidt committed
    • PR libstdc++/90682 allow set_terminate(0) and set_unexpected(0) · 3228289e 
      Make these functions restore the default handlers when passed a null
pointer. This is consistent with std::pmr::set_default_resource(0), and
also matches the current behaviour of libc++.

In order to avoid duplicating the preprocessor condition from
eh_term_handler.cc more that into a new eh_term_handler.h header and
define a macro that can be used in both eh_term_handler.cc and
eh_terminate.cc.

	PR libstdc++/90682
	* libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
	definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
	* libsupc++/eh_term_handler.h: New header defining
	_GLIBCXX_DEFAULT_TERM_HANDLER.
	* libsupc++/eh_terminate.cc: Include eh_term_handler.h.
	(set_terminate): Restore default handler when argument is null.
	(set_unexpected): Likewise.
	* testsuite/18_support/set_terminate.cc: New test.
	* testsuite/18_support/set_unexpected.cc: New test.

From-SVN: r271808
      Jonathan Wakely committed
    • Remove using-declarations that add std names to __gnu_cxx · 3263fb9c 
      These using-declarations appear to have been added for simplicity when
moving the non-standard extensions from namespace std to namespace
__gnu_cxx. Dumping all these names into namespace __gnu_cxx allows
unportable uses like __gnu_cxx::size_t and __gnu_cxx::pair, which serve
no useful purpose.

This patch removes most of the using-declarations from namespace scope,
then either qualifies names as needed or adds using-declarations at
block scope or typedefs at class scope.

	* include/backward/hashtable.h (size_t, ptrdiff_t)
	(forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
	(distance, vector, pair, __iterator_category): Remove
	using-declarations that add these names to namespace __gnu_cxx.
	* include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
	* include/ext/debug_allocator.h (size_t): Likewise.
	* include/ext/functional (size_t, unary_function, binary_function)
	(mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
	Likewise.
	* include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
	* include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
	* include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
	* include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
	* include/ext/numeric (iota): Fix outdated comment.
	* include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
	* include/ext/rb_tree (_Rb_tree, allocator): Likewise.
	* include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
	* include/ext/ropeimpl.h (size_t, printf, basic_ostream)
	(__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
	Likewise.
	* include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
	(allocator, __true_type, __false_type): Likewise.

From-SVN: r271807
      Jonathan Wakely committed
    • PR libstdc++/71579 assert that type traits are not misused with incomplete types · 608a080c 
      This patch adds static asserts for type traits misuse with incomplete
classes and unions. This gives a nice readable error message instead
of an UB and odr-violations.

Some features of the patch:
* each type trait has it's own static_assert inside. This gives better
diagnostics than the approach with putting the assert into a helper
structure and using it in each trait.
* the result of completeness check is not memorized by the compiler.
This gives no false positive after the first failed check.
* some of the compiler builtins already implement the check. But not
all of them! So the asserts are in all the type_traits that may
benefit from the check. This also makes the behavior of libstdc++ more
consistent across different (non GCC) compilers.
* std::is_base_of does not have the assert as it works well in many
cases with incomplete types

2019-05-31  Antony Polukhin  <antoshkka@gmail.com>

	PR libstdc++/71579
	* include/std/type_traits __type_identity, __is_complete_or_unbounded):
	New helpers for checking preconditions in traits.
	(is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
	(is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
	(is_destructible, is_nothrow_destructible, is_constructible)
	(is_default_constructible, is_copy_constructible)
	(is_move_constructible, is_nothrow_default_constructible)
	(is_nothrow_constructible, is_nothrow_copy_constructible)
	(is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
	(is_nothrow_assignable, is_nothrow_copy_assignable)
	(is_nothrow_move_assignable, is_trivially_constructible)
	(is_trivially_copy_constructible, is_trivially_move_constructible)
	is_trivially_assignable, is_trivially_copy_assignable)
	(is_trivially_move_assignable, is_trivially_destructible)
	(alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
	(is_invocable_r, is_nothrow_invocable)
	(has_unique_object_representations, is_aggregate): Add static_asserts
	to make sure that type traits are not misused with incomplete types.
	(__is_constructible_impl, __is_nothrow_default_constructible_impl)
	(__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
	base characteristics without assertions that can be reused in other
	traits.
	* testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
	* testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
	test.
	* testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
	* testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
	* testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
	* testsuite/20_util/is_class/value.cc: Check incomplete type.
	* testsuite/20_util/is_function/value.cc: Likewise.
	* testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
	* testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
	test.
	* testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
	* testsuite/20_util/is_reference/value.cc: Check incomplete types.
	* testsuite/20_util/is_unbounded_array/value.cc: Likewise.
	* testsuite/20_util/is_union/value.cc: Likewise.
	* testsuite/20_util/is_void/value.cc: Likewise.
	* testsuite/util/testsuite_tr1.h: Add incomplete union type.

From-SVN: r271806
      Antony Polukhin committed
    • Fix random_device to work with COW strings again · aeedf077 
      Instead of duplicating the initialization functions that take string,
add a new member taking a raw pointer that can be used to convert the
constructor token from the old string to the new.

Also fix "mt19337" typos in a testcase.

	* include/bits/random.h (random_device::_M_init(const char*, size_t)):
	Add new private member function.
	* src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
	(random_device::_M_init_pretr1(const string&)): Call new private
	member with string data.
	* src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
	Define.
	* testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
	test using COW strings.
	* testsuite/26_numerics/random/random_device/cons/default.cc: Generate
	a value from the device.
	* testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
	Fix typo in token string.

From-SVN: r271805
      Jonathan Wakely committed
    • Add pretty print for const_tree. · decc53df 
      2019-05-31  Martin Liska  <mliska@suse.cz>

	* gdbhooks.py: Add const_tree to TreePrinter.

From-SVN: r271804
      Martin Liska committed
    • re PR debug/86964 (Too many debug symbols included, especially for extern globals) · d1137c02 
      2019-05-31  Thomas De Schampheleire  <thomas.de_schampheleire@nokia.com>

	PR debug/86964
	* common.opt (feliminate-unused-debug-symbols): Enable by default.
	* doc/invoke.texi (Debugging Options): Document new default of
	-feliminate-unused-debug-symbols and remove restriction to 'stabs'.

	* g++.dg/debug/dwarf2/fesd-any.C: Use
	-fno-eliminate-unused-debug-symbols.
	* g++.dg/debug/dwarf2/fesd-baseonly.C: Likewise.
	* g++.dg/debug/dwarf2/fesd-none.C: Likewise.
	* g++.dg/debug/dwarf2/fesd-reduced.C: Likewise.
	* g++.dg/debug/dwarf2/fesd-sys.C: Likewise.
	* g++.dg/debug/dwarf2/inline-var-1.C: Likewise.
	* g++.dg/debug/enum-2.C: Likewise.
	* gcc.dg/debug/dwarf2/fesd-any.c: Likewise.
	* gcc.dg/debug/dwarf2/fesd-baseonly.c: Likewise.
	* gcc.dg/debug/dwarf2/fesd-none.c: Likewise.
	* gcc.dg/debug/dwarf2/fesd-reduced.c: Likewise.
	* gcc.dg/debug/dwarf2/fesd-sys.c: Likewise.

From-SVN: r271803
      Thomas De Schampheleire committed
    • re PR tree-optimization/90671 (ICE on valid code at -Os and above with -g… · 6992d6fb 
      re PR tree-optimization/90671 (ICE on valid code at -Os and above with -g enabled in gsi_split_seq_after, at gimple-iterator.c:345)

	PR tree-optimization/90671
	* tree-ssa-threadupdate.c (ssa_create_duplicates): If
	template_block used to be empty on the first call, don't use
	gsi_split_seq_after and gsi_insert_seq_after, but remember whole
	seq with bb_seq and set it with set_bb_seq.

	* gcc.dg/torture/pr90671.c: New test.

From-SVN: r271802
      Jakub Jelinek committed
    • c++, testsuite - require alias support for a test. · 0eee8eaa 
      The test for pr84497 uses a facility that requires alias support from
the target, and therefore fails on targets without.  Add a suitable 
dg-require statement.

2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>

	* g++.dg/cpp0x/pr84497.C: Require alias support.

From-SVN: r271801
      Iain Sandoe committed
    • Darwin, x86, testsuite - adjust tests for Darwin's align syntax. · 4ef2ef0c 
      Darwin has a .align taking a power of 2 by default, so that some
tests expecting a byte count are failing, fixed thus.

gcc/testsuite/

2019-05-31  Iain Sandoe  <iain@sandoe.co.uk>

	* gcc.target/i386/falign-functions-3.c: Adjust align syntax
	and label for Darwin.
	* gcc.target/i386/attr-aligned-2.c: Adjust align syntax for
	Darwin.

From-SVN: r271800
      Iain Sandoe committed
    • Darwin, x86 - We have .p2align, so declare its use. · eb11a552 
      .p2align support is present in all x86 assemblers on released
Darwin systems.

gcc/

2019-05-29  Iain Sandoe  <iain@sandoe.co.uk>

	* config/i386/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.

From-SVN: r271799
      Iain Sandoe committed
    • predicates.md (pcrel_address): New define_predicate. · a1842c37 
      2019-05-30  Bill Schmidt  <wschmidt@linux.ibm.com>
	    Michael Meissner  <meissner@linux.ibm.com>

	* config/rs6000/predicates.md (pcrel_address): New define_predicate.
	(prefixed_mem_operand): Likewise.
	(non_prefixed_mem_operand): Likewise.
	* config/rs6000/rs6000-protos.h (rs6000_prefixed_address): New
	prototype.
	* config/rs6000/rs6000.c (print_operand_address): Handle
	PC-relative addresses.
	(mode_supports_prefixed_address_p): New function.
	(rs6000_prefixed_address): New function.
	* config/rs6000/rs6000.h (SYMBOL_FLAG_PCREL): New #define.
	(SYMBOL_REF_PCREL_P): Likewise.


Co-Authored-By: Michael Meissner <meissner@linux.ibm.com>

From-SVN: r271798
      Bill Schmidt committed
    • * fi.po, sv.po: Update. · 47a665af 
      From-SVN: r271796
      Joseph Myers committed
    • Daily bump. · 17c5c4c7 
      From-SVN: r271795
      GCC Administrator committed
  3. 30 May, 2019 22 commits
  5. 29 May, 2019 1 commit
    • PR libstdc++/85494 fix failing test · ea16f6ac 
      This test now fails on mingw-w64 because it's no longer always true that
the mt19937 engine is used when _GLIBCXX_USE_DEV_RANDOM is not defined.

Add tests for all the known tokens to ensure that at least one is
accepted.

	* testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
	that fails on mingw-w64.

From-SVN: r271756
      Jonathan Wakely committed