From-SVN: r244080

	PR c++/64767
	* c.opt (Wpointer-compare): New option.

	* c-parser.c (c_parser_postfix_expression): Mark zero character
	constants by setting original_type in c_expr.
	* c-typeck.c (parser_build_binary_op): Warn when a pointer is compared
	with a zero character constant.
	(char_type_p): New function.

	* typeck.c (cp_build_binary_op): Warn when a pointer is compared with
	a zero character literal.

	* doc/invoke.texi: Document -Wpointer-compare.

	* c-c++-common/Wpointer-compare-1.c: New test.

From-SVN: r244076

	PR c++/78949
	* typeck.c (cp_build_unary_op): Call mark_rvalue_use on arg if it has
	vector type.

	* c-c++-common/Wunused-var-16.c: New test.

From-SVN: r244075

re PR c++/78693 (Bogus 'inconsistent deduction for ‘auto’' error when having a dependent initializer and a nondependent one in the same declaration)

	PR c++/78693
	* parser.c (cp_parser_simple_declaration): Only complain about
	inconsistent auto deduction if auto_result doesn't use auto.

	* g++.dg/cpp0x/pr78693.C: New test.

From-SVN: r244074

	* optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
	RejectNegative.

From-SVN: r244073

	PR driver/78957
	* c.opt (fsso-struct=): Add RejectNegative.

	* gcc.dg/pr78957.c: New test.

From-SVN: r244072

parser.c (cp_parser_simple_declaration): Diagnose function declaration among more than one init-declarators with auto...

	* parser.c (cp_parser_simple_declaration): Diagnose function
	declaration among more than one init-declarators with auto
	specifier.

	* g++.dg/cpp1y/auto-fn34.C: New test.

From-SVN: r244071

	PR c++/71182
	* parser.c (cp_lexer_previous_token): Use vec_safe_address in the
	assertion, as lexer->buffer may be NULL.

	* g++.dg/cpp0x/pr71182.C: New test.

From-SVN: r244070

dwarf2out.c (output_loc_list): Don't throw away 64K+ location descriptions for -gdwarf-5 and emit them as...

	* dwarf2out.c (output_loc_list): Don't throw away 64K+ location
	descriptions for -gdwarf-5 and emit them as uleb128 instead of
	2-byte data.

From-SVN: r244069

gcc/testsuite/ChangeLog:

2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/78056
	* gcc.target/powerpc/pr78056-1.c: New test.
	* gcc.target/powerpc/pr78056-2.c: New test.
	* gcc.target/powerpc/pr78056-3.c: New test.
	* gcc.target/powerpc/pr78056-4.c: New test.
	* gcc.target/powerpc/pr78056-5.c: New test.
	* gcc.target/powerpc/pr78056-6.c: New test.
	* gcc.target/powerpc/pr78056-7.c: New test.
	* gcc.target/powerpc/pr78056-8.c: New test.
	* lib/target-supports.exp
	(check_effective_target_powerpc_popcntb_ok): New procedure to test
	whether the effective target supports the popcntb instruction.

gcc/ChangeLog:

2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>

	PR target/78056
	* doc/sourcebuild.texi (PowerPC-specific attributes): Add
	documentation of the powerpc_popcntb_ok attribute.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Add
	code to issue warning messages if a requested CPU configuration is
	not supported by the binary (assembler and loader) toolchain.
	(spe_init_builtins): Add two assertions to prevent ICE if attempt is
	made to define a built-in function that has been disabled.
	(paired_init_builtins): Add assertion to prevent ICE if attempt is
	made to define a built-in function that has been disabled.
	(altivec_init_builtins): Add comment explaining why definition
	of the DST built-in functions is not preceded by an assertion
	check.  Add assertions to prevent ICE if attempts are made to
	define an altivec predicate or an abs* built-in function that has
	been disabled.
	(htm_init_builtins): Add comment explaining why definition of the
	htm built-in functions is not preceded by an assertion check.

From-SVN: r244068

	PR tree-optimizatin/67955
	* tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
	Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
	the points-to solution does not include pt_null.  Use DECL_PT_UID
	unconditionally.

	PR tree-optimization/67955
	* gcc.dg/tree-ssa/ssa-dse-28.c: New test.

From-SVN: r244067

re PR c++/77545 (ICE on valid C++11 code: in potential_constant_expression_1, at cp/constexpr.c:5480)

	PR c++/77545
	PR c++/77284
	* constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.

	* g++.dg/cpp0x/range-for32.C: New test.
	* g++.dg/cpp0x/range-for33.C: New test.

From-SVN: r244062

gcc/c/ChangeLog:
	* c-parser.c (c_parser_declaration_or_fndef): Create a
	rich_location at init_loc and parse it to start_init.
	(last_init_list_comma): New global.
	(c_parser_braced_init): Update last_init_list_comma when parsing
	commas.  Pass it to pop_init_level.  Pass location of closing
	brace to pop_init_level.
	(c_parser_postfix_expression_after_paren_type): Create a
	rich_location at type_loc and parse it to start_init.
	(c_parser_omp_declare_reduction): Likewise for loc.
	* c-tree.h (start_init): Add rich_location * param.
	(pop_init_level): Add location_t param.
	* c-typeck.c (struct initializer_stack): Add field
	"missing_brace_richloc".
	(start_init): Add richloc param, use it to initialize
	the stack node's missing_brace_richloc.
	(last_init_list_comma): New decl.
	(finish_implicit_inits): Pass last_init_list_comma to
	pop_init_level.
	(push_init_level): When finding missing open braces, add fix-it
	hints to the richloc.
	(pop_init_level): Add "insert_before" param and pass it
	when calling pop_init_level.  Add fixits about missing
	close braces to any richloc.  Use the richloc for the
	-Wmissing-braces warning.
	(set_designator): Pass last_init_list_comma to pop_init_level.
	(process_init_element): Likewise.

gcc/testsuite/ChangeLog:
	* gcc.dg/Wmissing-braces-fixits.c: New test case.

From-SVN: r244061

update-copyright.py (GCCCmdLine): Add include, libcc1, libiberty, libssp, libvtv and lto-plugin to default_dirs.

	* update-copyright.py (GCCCmdLine): Add include, libcc1, libiberty,
	libssp, libvtv and lto-plugin to default_dirs.

From-SVN: r244060

The MIPS sfp-machine.h has an _FP_CHOOSENAN implementation which
emulates hardware semantics of not preserving signaling NaN payloads
for an operation with two NaN arguments (although that doesn't suffice
to avoid sNaN payload preservation in any case with just one NaN
argument).

However, those are only hardware semantics in the legacy NaN case; in
the NAN2008 case, the architecture documentation says hardware
preserves payloads in such cases.  Furthermore, this implementation
assumes legacy NaN semantics, so in the NAN2008 case the
implementation actually has the effect of preserving sNaN payloads but
not preserving qNaN payloads, when both should be preserved.

This patch fixes the code just to copy from the first argument (at the
level of libgcc, it's not meaningful which argument is the first and
which is the second).

Tested for mips64-linux-gnu (soft float, NAN2008) with the glibc math/
tests.

	* config/mips/sfp-machine.h (_FP_CHOOSENAN): Always preserve NaN
	payload if [__mips_nan2008].

From-SVN: r244059

i386.md (HI/SImode test with imm to QImode splitters): Use gen_int_mode instead of gen_lopwart for const_int operands.

	* config/i386/i386.md (HI/SImode test with imm to QImode splitters):
	Use gen_int_mode instead of gen_lopwart for const_int operands.

From-SVN: r244058

	PR libstdc++/78968
	* config.h.in: Regenerate.
	* configure: Likewise.
	* configure.ac: Check for __cxa_thread_atexit.
	* libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
	Don't define __cxa_thread_atexit if libc provides it.

From-SVN: r244057

	cp/
	PR c++/66735
	* cp-tree.h (DECLTYPE_FOR_REF_CAPTURE): New.
	(lambda_capture_field_type): Update prototype.
	* lambda.c (lambda_capture_field_type): Add is_reference parm.
	Add referenceness here.
	(add_capture): Adjust lambda_capture_field_type call, refactor
	error checking.
	* pt.c (tsubst): Adjust lambda_capture_field_type call.

	testsuite/
	PR c++/66735
	* g++.dg/cpp1y/pr66735.C: New.

From-SVN: r244056

include/
	* dwarf2.def (DW_OP_AARCH64_operation): Reserve the number 0xea.
	(DW_CFA_GNU_window_save): Comments the multiplexing on AArch64.


Co-Authored-By: Jiong Wang <jiong.wang@arm.com>

From-SVN: r244055

* include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New.
(unique_ptr::_DeleterConstraint): Likewise.
(unique_ptr()): Constrain.
(unique_ptr(pointer)): Likewise.
(unique_ptr(nullptr_t)): Likewise.
(unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New.
(unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain.
(unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise.
(unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise.
* testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
* testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
* testsuite/20_util/unique_ptr/cons/default.cc: New.
* testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust.

From-SVN: r244054

From-SVN: r244052

2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
	    Jonathan Wakely  <jwakely@redhat.com>

	PR libstdc++/64735
	* acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
	* config.h.in: Regenerate.
	* config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
	(GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
	exports for exception_ptr, nested_exception, and future conditional.
	[HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
	exports for exception_ptr, nested_exception, and future conditional.
	* configure: Regenerate.
	* configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
	* include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
	* libsupc++/eh_atomics.h: New file for internal use only.
	(__eh_atomic_inc, __eh_atomic_dec): New.
	* libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
	(exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
	(rethrow_exception): Use eh_atomics.h reference counting helpers.
	* libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
	* libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
	* libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
	* libsupc++/exception_ptr.h: Likewise.
	* libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
	* libsupc++/nested_exception.cc: Remove check for
	ATOMIC_INT_LOCK_FREE.
	* libsupc++/nested_exception.h: Likewise.
	* src/c++11/future.cc: Likewise.
	* testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
	* testsuite/18_support/nested_exception/*: Likewise.
	* testsuite/30_threads/async/*: Likewise.
	* testsuite/30_threads/future/*: Likewise.
	* testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
	* testsuite/30_threads/packaged_task/*: Likewise.
	* testsuite/30_threads/promise/*: Likewise.
	* testsuite/30_threads/shared_future/*: Likewise.

Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>

From-SVN: r244051

	PR tree-optimization/71563
	* match.pd: Simplify X << Y into X if Y is known to be 0 or
	out of range value - has low bits known to be zero.

	* gcc.dg/tree-ssa/pr71563.c: New test.

From-SVN: r244050

Also fix a stray changelog entry.  Some of the regen here is due to
previous changes not being regenerated properly, in part due to the
missing configure dependencies.

	* configure: Regenerate.
config/
	* picflag.m4: Remove stray \xA0 in comment.
gcc/
	* Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
	* configure: Regenerate.
	* config.in: Regenerate.
libada/
	* Makefile.in (configure_deps): Update and order as per
	configure.ac sinclude.
	* configure: Regenerate.
libgcc/
	* Makefile.in (configure_deps): Update.
	* configure: Regenerate.
libiberty/
	* Makefile.in (configure_deps): Update.
	* configure: Regenerate.
libitm/
	* Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

From-SVN: r244049

As r244011 had to be reverted, this change adds back the testcase
changes that are needed due to r244003.

2017-01-04  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/78534
	PR fortran/78976
	* gfortran.dg/dependency_49.f90: Change scan-tree-dump-times
	due to gfc_trans_string_copy change to avoid -Wstringop-overflow.
	* gfortran.dg/transfer_intrinsic_1.f90: Change
	scan-tree-dump-times due to gfc_trans_string_copy change to
	avoid -Wstringop-overflow.

From-SVN: r244048

	PR bootstrap/77569
	* input.c (ebcdic_execution_charset::on_error): Don't use strstr for
	a substring of the message, but strcmp with the whole message.  Ifdef
	ENABLE_NLS, translate the message first using dgettext.

From-SVN: r244047

From-SVN: r244046

re PR tree-optimization/78856 (wrong code at -O3 on x86_64-linux-gnu (in both 32-bit and 64-bit modes))

	PR tree-optimizatin/78856
	* tree-ssa-threadupdate.c: Include tree-vectorizer.h.
	(mark_threaded_blocks): Remove code to truncate thread paths that
	cross multiple loop headers.  Instead invalidate the cached loop
	iteration information and handle case of a thread path walking
	into an irreducible region.

	PR tree-optimization/78856
	* gcc.c-torture/execute/pr78856.c: New test.

From-SVN: r244045

[gcc]
2016-12-30  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/78900
	* config/rs6000/rs6000.c (rs6000_split_signbit): Change some
	assertions.  Add support for doing the signbit if the IEEE 128-bit
	floating point value is in a GPR.
	* config/rs6000/rs6000.md (Fsignbit): Delete.
	(signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
	Update the length attribute if the value is in a GPR.
	(signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
	the sign or zero extension instruction, since the value is always
	0/1.
	(signbit<mode>2_dm2): Delete using <Fsignbit>.

2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/78953
	* config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
	extracting SImode to a GPR register so that we can generate a
	store, limit the vector to be in a traditional Altivec register
	for the vextuwrx instruction.

[gcc/testsuite]
2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/78953
	* gcc.target/powerpc/pr78953.c: New test.

From-SVN: r244044

        * doc/xml/manual/documentation_hacking.xml: sourceforge.net now
        defaults to https; adjust reference.

From-SVN: r244043

From-SVN: r244042

gcc/:
	* godump.c (go_format_type): Treat ENUMERAL_TYPE like
	INTEGER_TYPE.
gcc/testsuite/:
	* gcc.misc-tests/godump-1.c: Update for accurate representation of
	enums.

From-SVN: r244041

From-SVN: r244040

PR tree-optimization/78696 - [7 Regression] -fprintf-return-value misoptimizes %.Ng where N is greater than 10

gcc/ChangeLog:

	PR tree-optimization/78696
	* gimple-ssa-sprintf.c (format_floating): Correct handling of
	precision.  Use MPFR for %f for greater fidelity.  Correct handling
	of %g.
	(pass_sprintf_length::compute_format_length): Set width and precision
	specified by asrerisk to void_node for vararg functions.
	(try_substitute_return_value): Adjust dump output.

gcc/testsuite/ChangeLog:

	PR tree-optimization/78696
	* gcc.dg/tree-ssa/builtin-sprintf-5.c: Remove incorrect test cases.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-7.c: Correct off-by-1 errors.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-9.c: New test.
	* gcc.dg/tree-ssa/builtin-sprintf.c: Add test cases.

From-SVN: r244037

    
    Move allocg and handling of allgs slice from C to Go.
    
    Reviewed-on: https://go-review.googlesource.com/34797

From-SVN: r244036

From-SVN: r244035

	* doc/invoke.texi (SPARC options): Document -mlra as the default.
	* config/sparc/sparc.c (sparc_option_override): Force LRA unless
	-mlra/-mno-lra was passed to the compiler.

From-SVN: r244034

gcc/po:
	* be.po, da.po, de.po, el.po, es.po, fi.po, fr.po, hr.po, id.po,
	ja.po, nl.po, ru.po, sr.po, sv.po, tr.po, uk.po, vi.po, zh_CN.po,
	zh_TW.po: Update.

libcpp/po:
	* be.po, ca.po, da.po, de.po, el.po, eo.po, es.po, fi.po, fr.po,
	id.po, ja.po, nl.po, pr_BR.po, ru.po, sr.po, sv.po, tr.po, uk.po,
	vi.po, zh_CN.po, zh_TW.po: Update.

From-SVN: r244032

re PR go/78789 (Error: no such instruction: `aesenc %xmm0,%xmm2' when compiling libgo/runtime/aeshash.c)

	PR go/78789
    runtime: don't build aeshash.c if the assembler doesn't support it
    
    This is for CentOS 5, whose assembler does not know the aesinc
    instruction.
    
    Fixes GCC PR 78789.
    
    Patch by Uros Bizjak.
    
    Reviewed-on: https://go-review.googlesource.com/34796

From-SVN: r244031

	PR rtl-optimization/65618
	* emit-rtl.c (try_split): Move initialization of "before" and
	"after" to just before the call to emit_insn_after_setloc.

From-SVN: r244029