Daily bump.

7 files changed, 265 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e4c0a78..bb7a575 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,71 @@
+2020-08-14  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/78257
+	* builtins.c (expand_builtin_memory_copy_args): Rename called function.
+	(expand_builtin_stpcpy_1): Remove argument from call.
+	(expand_builtin_memcmp): Rename called function.
+	(inline_expand_builtin_bytecmp): Same.
+	* expr.c (convert_to_bytes): New function.
+	(constant_byte_string): New function (formerly string_constant).
+	(string_constant): Call constant_byte_string.
+	(byte_representation): New function.
+	* expr.h (byte_representation): Declare.
+	* fold-const-call.c (fold_const_call): Rename called function.
+	* fold-const.c (c_getstr): Remove an argument.
+	(getbyterep): Define a new function.
+	* fold-const.h (c_getstr): Remove an argument.
+	(getbyterep): Declare a new function.
+	* gimple-fold.c (gimple_fold_builtin_memory_op): Rename callee.
+	(gimple_fold_builtin_string_compare): Same.
+	(gimple_fold_builtin_memchr): Same.
+
+2020-08-14  David Malcolm  <dmalcolm@redhat.com>
+
+	* doc/analyzer.texi (Overview): Add tip about how to get a
+	gimple dump if the analyzer ICEs.
+
+2020-08-14  Uroš Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/i386-builtin.def (__builtin_ia32_llwpcb)
+	(__builtin_ia32_slwpcb, __builtin_ia32_lwpval32)
+	(__builtin_ia32_lwpval64, __builtin_ia32_lwpins32)
+	(__builtin_ia32_lwpins64): Use CODE_FOR_nothing.
+	* config/i386/i386.md (@lwp_llwpcb<mode>):
+	Implement as parametrized name pattern.
+	(@lwp_slwpcb<mode>): Ditto.
+	(@lwp_lwpval<mode>): Ditto.
+	(@lwp_lwpins<mode>): Ditto.
+	* config/i386/i386-expand.c (ix86_expand_special_args_builtin)
+	[case VOID_FTYPE_UINT_UINT_UINT, case VOID_FTYPE_UINT64_UINT_UINT]
+	[case UCHAR_FTYPE_UINT_UINT_UINT, case UCHAR_FTYPE_UINT64_UINT_UINT]:
+	Remove.
+	(ix86_expand_builtin)
+	[ case IX86_BUILTIN_LLWPCB, case IX86_BUILTIN_LLWPCB]:
+	Update for parameterized name patterns.
+	[case IX86_BUILTIN_LWPVAL32, case IX86_BUILTIN_LWPVAL64]
+	[case IX86_BUILTIN_LWPINS32, case IX86_BUILTIN_LWPINS64]: Expand here.
+
+2020-08-14  Lewis Hyatt  <lhyatt@gmail.com>
+
+	* common.opt: Add new option -fdiagnostics-plain-output.
+	* doc/invoke.texi: Document it.
+	* opts-common.c (decode_cmdline_options_to_array): Implement it.
+	(decode_cmdline_option): Add missing const qualifier to argv.
+
+2020-08-14  Jakub Jelinek  <jakub@redhat.com>
+	    Jonathan Wakely  <jwakely@redhat.com>
+	    Jonathan Wakely   <jwakely@redhat.com>
+
+	* system.h: Include type_traits.
+	* vec.h (vec<T, A, vl_embed>::embedded_size): Use offsetof and asserts
+	on vec_stdlayout, which is conditionally a vec (for standard layout T)
+	and otherwise vec_embedded.
+
+2020-08-14  Jojo R  <jiejie_rong@c-sky.com>
+
+	* config/csky/csky-elf.h (ASM_SPEC): Use mfloat-abi.
+	* config/csky/csky-linux-elf.h (ASM_SPEC): mfloat-abi.
+
 2020-08-13  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/93032
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index da579e6..e6ef660 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20200814
+20200815
diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index c1fe30f..9067965 100644
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,22 @@
+2020-08-14  David Malcolm  <dmalcolm@redhat.com>
+
+	PR testsuite/96609
+	PR analyzer/96616
+	* region-model.cc (region_model::get_store_value): Call
+	maybe_get_constant_value on decl_regions first.
+	* region-model.h (decl_region::maybe_get_constant_value): New decl.
+	* region.cc (decl_region::get_stack_depth): Likewise.
+	(decl_region::maybe_get_constant_value): New.
+	* store.cc (get_subregion_within_ctor): New.
+	(binding_map::apply_ctor_to_region): New.
+	* store.h (binding_map::apply_ctor_to_region): New decl.
+
+2020-08-14  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/96611
+	* store.cc (store::mark_as_escaped): Reject attempts to
+	get a cluster for an unknown pointer.
+
 2020-08-13  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/93032
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 07d32a5..0244459 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,126 @@
+2020-08-14  Nathan Sidwell  <nathan@acm.org>
+
+	* name-lookup.h (lookup_name_real, lookup_name_nonclass): Rename
+	to ...
+	(lookup_name): ... these new overloads.
+	* name-lookup.c (identifier_type_value_1): Rename lookup_name_real
+	call.
+	(lookup_name_real_1): Rename to ...
+	(lookup_name_1): ... here.
+	(lookup_name_real): Rename to ...
+	(lookup_name): ... here.  Rename lookup_name_real_1 call.
+	(lookup_name_nonclass): Delete.
+	* call.c (build_operator_new_call): Rename lookup_name_real call.
+	(add_operator_candidates): Likewise.
+	(build_op_delete_call): Rename lookup_name_nonclass call.
+	* parser.c (cp_parser_lookup_name): Likewise.
+	* pt.c (tsubst_friend_class, lookup_init_capture_pack): Likewise.
+	(tsubst_expr): Likewise.
+	* semantics.c (capture_decltype): Likewise.
+
+2020-08-14  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (LOOKUP_HIDDEN): Delete.
+	(LOOKUP_PREFER_RVALUE): Adjust initializer.
+	* name-lookup.h (enum class LOOK_want): Add HIDDEN_FRIEND and
+	HIDDEN_LAMBDA flags.
+	(lookup_name_real): Drop flags parm.
+	(lookup_qualified_name): Drop find_hidden parm.
+	* name-lookup.c (class name_lookup): Drop hidden field, adjust
+	ctors.
+	(name_lookup::add_overload): Check want for hiddenness.
+	(name_lookup::process_binding): Likewise.
+	(name_lookup::search_unqualified): Likewise.
+	(identifier_type_value_1): Adjust lookup_name_real call.
+	(set_decl_namespace): Adjust name_lookup ctor.
+	(qualify_lookup): Drop flags parm, use want for hiddenness.
+	(lookup_qualified_name): Drop find_hidden parm.
+	(lookup_name_real_1): Drop flags parm, adjust qualify_lookup
+	calls.
+	(lookup_name_real): Drop flags parm.
+	(lookup_name_nonclass, lookup_name): Adjust lookup_name_real
+	calls.
+	(lookup_type_scope_1): Adjust qualify_lookup calls.
+	* call.c (build_operator_new_call): Adjust lookup_name_real call.
+	(add_operator_candidates): Likewise.
+	* coroutines.cc (morph_fn_to_coro): Adjust lookup_qualified_name
+	call.
+	* parser.c (cp_parser_lookup_name): Adjust lookup_name_real calls.
+	* pt.c (check_explicit_specialization): Adjust
+	lookup_qualified_name call.
+	(deduction_guides_for): Likewise.
+	(tsubst_friend_class): Adjust lookup_name_real call.
+	(lookup_init_capture_pack): Likewise.
+	(tsubst_expr): Likewise, don't look in namespaces.
+	* semantics.c (capture_decltype): Adjust lookup_name_real.  Don't
+	look in namespaces.
+
+2020-08-14  Jason Merrill  <jason@redhat.com>
+
+	PR c++/90254
+	PR c++/93711
+	* cp-tree.h (unsafe_return_slot_p): Declare.
+	* call.c (is_base_field_ref): Rename to unsafe_return_slot_p.
+	(build_over_call): Check unsafe_return_slot_p.
+	(build_special_member_call): Likewise.
+	* init.c (expand_default_init): Likewise.
+	* typeck2.c (split_nonconstant_init_1): Likewise.
+
+2020-08-14  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (LOOKUP_PREFER_TYPES, LOOKUP_PREFER_NAMESPACES)
+	(LOOKUP_NAMESPACES_ONLY, LOOKUP_TYPES_ONLY)
+	(LOOKUP_QUALIFIERS_ONL): Delete.
+	(LOOKUP_HIDDEN): Adjust.
+	* name-lookup.h (enum class LOOK_want): New.
+	(operator|, operator&): Overloads for it.
+	(lookup_name_real): Replace prefer_type & namespaces_only with
+	LOOK_want parm.
+	(lookup_qualified_name): Replace prefer_type with LOOK_want.
+	(lookup_name_prefer_type): Replace with ...
+	(lookup_name): ... this.  New overload with LOOK_want parm.
+	* name-lookup.c (struct name_lookup): Replace flags with want and
+	hidden fields.  Adjust constructors.
+	(name_lookyp::add_overload): Correct hidden stripping test.  Update
+	for new LOOK_want type.
+	(name_lookup::process_binding): Likewise.
+	(name_lookup::search_unqualified): Use hidden flag.
+	(identifier_type_value_1): Adjust lookup_name_real call.
+	(set_decl_namespace): Adjust name_lookup ctor.
+	(lookup_flags): Delete.
+	(qualify_lookup): Add LOOK_want parm, adjust.
+	(lookup_qualified_name): Replace prefer_type parm with LOOK_want.
+	(lookup_name_real_1): Replace prefer_type and namespaces_only with
+	LOOK_want parm.
+	(lookup_name_real): Likewise.
+	(lookup_name_nonclass, lookup_name): Adjust lookup_name_real call.
+	(lookup_name_prefer_type): Rename to ...
+	(lookup_name): ... here.  New overload with LOOK_want parm.
+	(lookup_type_scope_1): Adjust qualify_lookup calls.
+	* call.c (build_operator_new_call)
+	(add_operator_candidates): Adjust lookup_name_real calls.
+	* coroutines.cc (find_coro_traits_template_decl)
+	(find_coro_handle_template_decl, morph_fn_to_coro): Adjust
+	lookup_qualified_name calls.
+	* cp-objcp-common.c (identifier_global_tag): Likewise.
+	* decl.c (get_tuple_size, get_tuple_decomp_init): Likewise.
+	(lookup_and_check_tag): Use lookup_name overload.
+	* parser.c (cp_parser_userdef_numeric_literal): Adjust
+	lookup_qualified_name call.
+	(prefer_arg_type): Drop template_mem_access parm, return LOOK_want
+	value.
+	(cp_parser_lookup_name): Adjust lookup_member, lookup_name_real
+	calls.
+	* pt.c (check_explicit_specialization): Adjust lookup_qualified_name
+	call.
+	(tsubst_copy_and_build, tsubst_qualified_name): Likewise
+	(deduction_guides_for): Likewise.
+	(tsubst_friend_class): Adjust lookup_name_real call.
+	(lookup_init_capture, tsubst_expr): Likewise.
+	* rtti.c (emit_support_tinfos): Adjust lookup_qualified_name call.
+	* semantics.c (omp_reduction_lookup): Likewise.
+	(capture_decltype): Adjust lookup_name_real call.
+
 2020-08-13  Nathan Sidwell  <nathan@acm.org>
 
 	* name-lookup.h (enum class LOOK_where): New.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 78eecea..9e4e589 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,37 @@
+2020-08-14  Martin Sebor  <msebor@redhat.com>
+
+	PR middle-end/78257
+	* gcc.dg/memchr.c: New test.
+	* gcc.dg/memcmp-2.c: New test.
+	* gcc.dg/memcmp-3.c: New test.
+	* gcc.dg/memcmp-4.c: New test.
+
+2020-08-14  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/96611
+	* gcc.dg/analyzer/pr96611.c: New test.
+
+2020-08-14  Jason Merrill  <jason@redhat.com>
+
+	PR c++/90254
+	PR c++/93711
+	* g++.dg/cpp1z/aggr-base10.C: New test.
+	* g++.dg/cpp2a/no_unique_address7.C: New test.
+	* g++.dg/cpp2a/no_unique_address7a.C: New test.
+
+2020-08-14  Lewis Hyatt  <lhyatt@gmail.com>
+
+	* lib/prune.exp: Change TEST_ALWAYS_FLAGS to use -fdiagnostics-plain-output.
+	* lib/c-compat.exp: Adapt to the prune.exp change.
+
+2020-08-14  Tom de Vries  <tdevries@suse.de>
+
+	* gcc.dg/torture/pr92088-1.c: Add require-effective-target alloca.
+	* gcc.dg/torture/pr92088-2.c: Same.
+	* gcc.dg/torture/pr93124.c: Same.
+	* gcc.dg/torture/pr94479.c: Same.
+	* gcc.dg/tree-ssa/builtin-sprintf-warn-22.c: Same.
+
 2020-08-13  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/96598
diff --git a/libcc1/ChangeLog b/libcc1/ChangeLog
index 5603817..fbf238e 100644
--- a/libcc1/ChangeLog
+++ b/libcc1/ChangeLog
@@ -1,3 +1,18 @@
+2020-08-14  Nathan Sidwell  <nathan@acm.org>
+
+	* libcp1plugin.cc (plugin_build_dependent_expr): Rename
+	lookup_name_real call.
+
+2020-08-14  Nathan Sidwell  <nathan@acm.org>
+
+	* libcp1plugin.cc (plugin_build_dependent_exp): Adjust
+	lookup_name_real call.
+
+2020-08-14  Nathan Sidwell  <nathan@acm.org>
+
+	* libcp1plugin.cc (plugin_build_dependent_expr): Adjust
+	lookup_name_real & lookup_qualified_name calls.
+
 2020-08-13  Nathan Sidwell  <nathan@acm.org>
 
 	* libcp1plugin.cc (plugin_build_dependent_expr): Likewise.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9c7fc0e..fe6884b 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2020-08-14  Lewis Hyatt  <lhyatt@gmail.com>
+
+	* testsuite/lib/libstdc++.exp: Use the new option
+	-fdiagnostics-plain-output.
+
 2020-08-13  Jonathan Wakely  <jwakely@redhat.com>
 
 	* acinclude.m4 (GLIBCXX_ENABLE_CHEADERS): Warn if the c_std