2024-03-03  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2024-03-03  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/114171
	* d-codegen.cc (lower_struct_comparison): Keep alignment of original
	type in reinterpret cast for comparison.

2024-03-03  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2024-02-12  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/113758
	* d-codegen.cc (d_build_call): Force a TARGET_EXPR when callee
	destorys its arguments.
	* decl.cc (DeclVisitor::visit (VarDeclaration *)): Set
	SET_DECL_VALUE_EXPR on the temporary variable to make it a placeholder
	for the TARGET_EXPR_SLOT.

2024-03-03  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2024-02-12  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/113125
	* types.cc (TypeVisitor::visit (TypeStruct *)): Generate TYPE_DECL and
	apply UDAs to opaque struct declarations.

2023-07-07  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2023-07-07  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/108842
	* decl.cc (DeclVisitor::visit (VarDeclaration *)): Only emit scalar
	manifest constants.
	(get_symbol_decl): Don't generate CONST_DECL for non-scalar manifest
	constants.
	* imports.cc (ImportVisitor::visit (VarDeclaration *)): New method.

2023-07-02  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2023-07-02  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/110516
	* intrinsics.cc (expand_volatile_load): Set TREE_SIDE_EFFECTS on the
	expanded expression.
	(expand_volatile_store): Likewise.

2023-07-01  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/110511
	* dmd/dinterpret.c (Interpreter::visit (CastExp *)): Handle casting
	null to int or float.

2023-06-26  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2023-06-26  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/110359
	* d-convert.cc (convert_for_rvalue): Only apply the @safe boolean
	conversion to boolean fields of a union.
	(convert_for_condition): Call convert_for_rvalue in the default case.

2023-05-29  Release Manager

	* GCC 11.4.0 released.

2023-03-14  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2023-03-14  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/109108
	* decl.cc (get_symbol_decl): Set DECL_LAMBDA_FUNCTION_P on function
	literals.
	(start_function): Unconditionally unset DECL_EXTERNAL.
	(set_linkage_for_decl): Give lambda functions one-only linkage.

2023-03-13  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2023-03-13  Iain Buclaw  <ibuclaw@gdcproject.org>

	* decl.cc (finish_thunk): Unset DECL_EXTERNAL on thunk.
	(make_thunk): Set DECL_EXTERNAL on thunk, don't call build_decl_tree.
	(finish_function): Call finish_thunk on forward referenced thunks.

2023-03-13  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2023-03-13  Iain Buclaw  <ibuclaw@gdcproject.org>

	* decl.cc (get_fndecl_result): New function.
	(get_fndecl_arguments): New function.
	(DeclVisitor::visit (FuncDeclaration *)): Adjust to call
	get_fndecl_arguments.
	(make_thunk): Adjust to call get_fndecl_arguments and
	get_fndecl_result.
	(start_function): Adjust to call get_fndecl_result.

2023-03-03  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2023-03-03  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/108877
	* imports.cc (ImportVisitor::visit (EnumDeclaration *)): Call
	make_import on TYPE_MAIN_VARIANT.
	(ImportVisitor::visit (AggregateDeclaration *)): Likewise.
	(ImportVisitor::visit (ClassDeclaration *)): Likewise.

2022-12-11  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2022-12-11  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/108050
	* decl.cc (DeclVisitor::visit (Import *)): Handle build_import_decl
	returning a TREE_LIST.
	* imports.cc (ImportVisitor::visit (OverloadSet *)): New override.

2022-11-30  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2022-11-30  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/107592
	* toir.cc (IRVisitor::push_unrolled_continue_label): New method.
	(IRVisitor::pop_unrolled_continue_label): New method.
	(IRVisitor::visit (UnrolledLoopStatement *)): Use them instead of
	push_continue_label and pop_continue_label.

2022-08-16  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2022-08-16  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/106638
	* gdc.texi: Update DIP links to point at upstream dlang/DIPs
	repository.

2022-07-04  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2022-06-29  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/106139
	* d-convert.cc (convert_expr): Handle casting from array to vector.
	(convert_for_rvalue): Rewrite vector to array casts of the same
	element type into a constructor.
	(convert_for_assignment): Return calling convert_for_rvalue.
	* dmd/expressionsem.c (ExpressionSemanticVisitor::visit): Run semantic
	on vector expression after lowering.
	* expr.cc (ExprVisitor::visit (VectorExp *)): Handle generating a
	vector expression from a static array.
	* toir.cc (IRVisitor::visit (ReturnStatement *)): Call
	convert_for_rvalue on return value.

2022-06-15  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2022-06-15  Iain Buclaw  <ibuclaw@gdcproject.org>

	* typeinfo.cc (make_internal_typeinfo): Set TYPE_ARTIFICIAL.

2022-06-15  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-12-01  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-spec.cc (lang_specific_driver): Set SKIPOPT on -static-libstdc++
	and -static-libphobos only when target supports LD_STATIC_DYNAMIC.
	Remove generate_option to re-add -static-libstdc++.

2022-04-21  Release Manager

	* GCC 11.3.0 released.

2022-03-21  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2022-03-21  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/105004
	* d-codegen.cc (build_struct_literal): Use complex_expr to build
	complex expressions from __c_complex types.

2021-12-10  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-12-10  Iain Buclaw  <ibuclaw@gdcproject.org>

	* decl.cc (get_symbol_decl): Align methods to MINIMUM_METHOD_BOUNDARY.

2021-11-29  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-07-30  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-lang.cc (deps_add_target): Insert null terminator in buffer.
	(deps_write): Likewise.
	(d_parse_file): Likewise.

2021-11-28  Martin Liska  <mliska@suse.cz>

	Backported from master:
	2021-11-28  Martin Liska  <mliska@suse.cz>

	* d-attribs.cc (parse_optimize_options): Fix thinko.

2021-11-26  Martin Liska  <mliska@suse.cz>

	* d-attribs.cc (parse_optimize_options): Check index before
	accessing cl_options.

2021-11-18  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-11-18  Iain Buclaw  <ibuclaw@gdcproject.org>

	* decl.cc (d_finish_decl): Use HOST_WIDE_INT for type size
	temporaries.

2021-10-13  Iain Sandoe  <iain@sandoe.co.uk>

	Backported from master:
	2021-10-05  Iain Sandoe  <iain@sandoe.co.uk>

	* d-spec.cc (lang_specific_driver): Push the -static-libstdc++
	option back onto the command line for targets without support
	for -Bstatic/dynamic.

2021-10-04  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-10-04  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/102574
	* d-spec.cc (lang_specific_driver): Link libstdc++ statically if
	-static-libstdc++ was given on command-line.

2021-09-12  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-09-12  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/102185
	* d-builtins.cc (d_eval_constant_expression): Don't include
	terminating null pointer in string expression conversion.

2021-07-29  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-07-29  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/101664
	* expr.cc (ExprVisitor::visit (CallExp *)): Use object expression as
	result for C++ constructor calls.

2021-07-29  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-07-29  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/96435
	* d-convert.cc (convert_for_rvalue): New function.
	* d-tree.h (convert_for_rvalue): Declare.
	* expr.cc (ExprVisitor::visit (CastExp *)): Use convert_for_rvalue.
	(build_return_dtor): Likewise.

2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/101640
	* expr.cc (binary_op): Use build2 instead of fold_build2.

2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/101490
	* d-codegen.cc (build_array_index): Handle void arrays same as byte.
	* d-convert.cc (convert_expr): Handle converting to zero-sized arrays.
	* dmd/dcast.c (castTo): Handle casting to zero-sized arrays.

2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/101441
	* dmd/expression.c (FuncInitExp::resolveLoc): Set type as `string'.
	(PrettyFuncInitExp::resolveLoc): Likewise.

2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/101127
	* d-builtins.cc (d_builtin_function_ext_scope): New function.
	* d-lang.cc (LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE): Define.
	* d-tree.h (d_builtin_function_ext_scope): Declare.

2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-07-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/101619
	* dmd/expression.c (DotTemplateExp::checkType): New function.
	(DotTemplateExp::checkValue): New function.
	* dmd/expression.h (class DotTemplateExp): Declare checkType and
	checkValue.

2021-07-28  Release Manager

	* GCC 11.2.0 released.

2021-07-03  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-07-03  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/101273
	* toir.cc (IRVisitor::visit (ReturnStatement *)): Detect returns that
	use a temporary, and replace with return value.

2021-07-02  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-07-02  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/101282
	* d-codegen.cc (build_assign): Force target_expr on RHS for non-POD
	assignment expressions.

2021-06-11  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-06-11  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/100999
	* dmd/cond.c (lowerArrayAggregate): Run CTFE interpret on foreach
	input range.
	(createTupleType): Don't generate typeinfo when disabled.
	(lowerNonArrayAggregate): Suppress errors when running type semantic.
	(staticForeachPrepare): Don't run CTFE interpret from here.
	* dmd/dinterpret.c (ctfeInterpret): Add more shortcut cases.
	* dmd/expression.c (Expression::checkPostblit): Don't generate
	typeinfo when type is missing from library.
	* dmd/expressionsem.c (resolvePropertiesX): Remove early error.
	* dmd/statementsem.c (StatementSemanticVisitor::declareVariable):
	Don't override index type.
	(StatementSemanticVisitor::makeTupleForeachBody): Check index type is
	integral and index range fits type size.
	(StatementSemanticVisitor::visit (ForeachStatement*)): Adjust index
	range before testing.

2021-06-10  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-06-10  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/100967
	* d-frontend.cc (getTypeInfoType): Move TypeInfo checks to
	check_typeinfo_type and call new function.
	* d-tree.h (check_typeinfo_type): Declare.
	* typeinfo.cc: Include dmd/scope.h.
	(create_frontend_tinfo_types): Generate front-end types even if Object
	is missing.
	(build_typeinfo): Move TypeInfo checks to check_typeinfo_type and call
	new function.
	(check_typeinfo_type): New function.

2021-06-09  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-06-09  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/100964
	* dmd/expression.c (Expression::checkPostblit): Don't generate
	TypeInfo when RTTI is disabled.

2021-06-09  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-06-09  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/100935
	* dmd/mtype.c (Type::getProperty): Prefer explicit alignment over
	natural alignment for alignof property.

2021-06-04  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-06-04  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/100882
	* d-codegen.cc (build_assign): Construct initializations inside
	TARGET_EXPR_INITIAL.
	(compound_expr): Remove intermediate expressions that have no
	side-effects.
	(return_expr): Construct returns inside TARGET_EXPR_INITIAL.
	* expr.cc (ExprVisitor::visit (CallExp *)): Remove useless assignment
	to TARGET_EXPR_SLOT.

2021-05-10  Iain Buclaw  <ibuclaw@gdcproject.org>

	Backported from master:
	2021-05-10  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/dsymbolsem.c (aliasInstanceSemantic): Merge storage class of old
	alias into new symbol.

2021-04-27  Release Manager

	* GCC 11.1.0 released.

2021-04-19  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/98457
	* d-diagnostic.cc (expand_d_format): Handle escaped backticks.
	(escape_d_format): New funtion.
	(verror): Call escape_d_format on prefixing strings.
	(vdeprecation): Likewise.

2021-04-17  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/99914
	* d-target.def (d_templates_always_comdat): New hook.
	* d-tree.h (mark_needed): Remove prototype.
	* decl.cc: Include d-target.h.
	(mark_needed): Rename to...
	(d_mark_needed): ...this.  Make static.
	(set_linkage_for_decl): Put variables in comdat if
	d_templates_always_comdat.

2021-04-17  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-target.cc (d_handle_target_object_format): New function.
	(d_language_target_info): Add d_handle_target_object_format as handler
	for objectFormat key.
	(Target::getTargetInfo): Continue if handler returned NULL_TREE.

2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-target.cc (Target::_init): Call new targetdm hook to register OS
	specific target info keys.
	* d-target.def (d_register_os_target_info): New hook.

2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-builtins.cc (d_add_builtin_version): Remove all setting of
	target-specific global.params.
	* typeinfo.cc (create_typeinfo): Don't add argType fields to
	TypeInfo_Struct.

2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/99914
	* decl.cc (DeclVisitor::visit (StructDeclaration *)): Don't set
	DECL_INSTANTIATED on static initializer declarations.
	(DeclVisitor::visit (ClassDeclaration *)): Likewise.
	(DeclVisitor::visit (EnumDeclaration *)): Likewise.
	(d_finish_decl): Move call to set_linkage_for_decl to...
	(declare_extern_var): ...here.

2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-target.cc (Target::_init): Call new targetdm hook to register CPU
	specific target info keys.
	* d-target.def (d_register_cpu_target_info): New hook.

2021-04-14  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-target.cc (Target::systemLinkage): Return LINKwindows if
	d_has_stdcall_convention applies to LINKsystem.
	* d-target.def (d_has_stdcall_convention): New hook.
	* types.cc (TypeVisitor::visit (TypeFunction *)): Insert "stdcall"
	function attribute if d_has_stdcall_convention applies to LINKwindows.

2021-04-10  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd 0450061c8.

2021-04-08  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-attribs.cc: Include fold-const.h and opts.h.
	(attr_noreturn_exclusions): Add alloc_size.
	(attr_const_pure_exclusions): Likewise.
	(attr_inline_exclusions): Add target_clones.
	(attr_noinline_exclusions): Rename forceinline to always_inline.
	(attr_target_exclusions): New array.
	(attr_target_clones_exclusions): New array.
	(attr_alloc_exclusions): New array.
	(attr_cold_hot_exclusions): New array.
	(d_langhook_common_attribute_table): Add new D attribute handlers.
	(build_attributes): Update to look for gcc.attributes.  Issue warning
	if not given a struct literal.  Handle void initialized arguments.
	(handle_always_inline_attribute): Remove function.
	(d_handle_noinline_attribute): Don't extract TYPE_LANG_FRONTEND.
	(d_handle_forceinline_attribute): Rename to...
	(d_handle_always_inline_attribute): ...this.  Remove special handling.
	(d_handle_flatten_attribute): Don't extract TYPE_LANG_FRONTEND.
	(d_handle_target_attribute): Likewise.  Warn about empty arguments.
	(d_handle_target_clones_attribute): New function.
	(optimize_args): New static variable.
	(parse_optimize_options): New function.
	(d_handle_optimize_attribute): New function.
	(d_handle_noclone_attribute): Don't extract TYPE_LANG_FRONTEND.
	(d_handle_alias_attribute): Remove function.
	(d_handle_noicf_attribute): New function.
	(d_handle_noipa_attribute): New function.
	(d_handle_section_attribute): Call the handle_generic_attribute target
	hook after performing target independent processing.
	(d_handle_symver_attribute): New function.
	(d_handle_noplt_attribute): New function.
	(positional_argument): New function.
	(d_handle_alloc_size_attribute): New function.
	(d_handle_cold_attribute): New function.
	(d_handle_restrict_attribute): New function.
	(d_handle_used_attribute): New function.
	* decl.cc (gcc_attribute_p): Update to look for gcc.attributes.
	(get_symbol_decl): Update decl source location of old prototypes to
	the new declaration being merged.
	* types.cc (layout_aggregate_members): Apply user defined attributes
	on fields.

2021-04-06  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/99917
	* dmd/MERGE: Merge upstream dmd d16195406.

2021-04-06  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-codegen.cc (build_frame_type): Use Array::find to get index of
	element.

2021-04-06  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-diagnostic.cc (vwarning): Increment gaggedWarnings if warning
	message	was suppressed.
	(vdeprecation): Likewise for deprecation messages.

2021-04-06  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd 5cc71ff83.

2021-04-05  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/99914
	* d-lang.cc (d_init): Disable flag_weak_templates if no support for
	weak or one-only symbols.
	* d-tree.h (VAR_OR_FUNCTION_DECL_CHECK): New macro.
	(DECL_INSTANTIATED): New macro.
	(d_comdat_linkage): Remove declaration.
	(d_linkonce_linkage): Remove declaration.
	(set_linkage_for_decl): New declaration.
	* decl.cc (DeclVisitor::visit (StructDeclaration *)): Replace call to
	d_linkonce_linkage with setting DECL_INSTANTIATED.
	(DeclVisitor::visit (ClassDeclaration *)): Likewise.
	(DeclVisitor::visit (EnumDeclaration *)): Likewise.
	(DeclVisitor::visit (InterfaceDeclaration *)): Remove call to
	d_linkonce_linkage.
	(get_symbol_decl): Call set_linkage_for_decl instead of
	d_linkonce_linkage.
	(d_finish_decl): Call set_linkage_for_decl.
	(d_comdat_linkage): Made function static.  Only set DECL_COMDAT for
	DECL_INSTANTIATED decls.
	(d_linkonce_linkage): Remove function.
	(d_weak_linkage): New function.
	(set_linkage_for_decl): New function.
	* gdc.texi (Runtime Options): Rename -fno-weak to -fno-weak-templates,
	update documentation of option.
	* lang.opt (fweak): Rename option to ...
	(fweak-templates): ... this.  Update help string.
	* modules.cc (get_internal_fn): Add Prot parameter.  Set generated
	function flag.
	(build_internal_fn): Update call to get_internal_fn.
	(build_dso_cdtor_fn): Likewise.
	(register_moduleinfo): Call d_finish_decl on dso_slot_node and
	dso_initialized_node.
	* typeinfo.cc (TypeInfoVisitor::internal_reference): Call
	set_linkage_for_decl instead of d_comdat_linkage.
	(TypeInfoDeclVisitor::visit (TypeInfoDeclaration *)): Remove calls to
	d_linkonce_linkage and d_comdat_linkage.
	(get_cpp_typeinfo_decl): Likewise.

2021-04-03  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd 3b808e838.
	* Make-lang.in (D_FRONTEND_OBJS): Add d/chkformat.o.
	* d-codegen.cc (build_struct_literal): Handle special enums.
	* d-convert.cc (convert_expr): Handle noreturn type.
	(convert_for_condition): Likewise.
	* d-target.cc (Target::_init): Set type for wchar_t.
	(TargetCPP::derivedClassOffset): New method.
	(Target::libraryObjectMonitors): New method.
	* decl.cc (get_symbol_decl): Set TREE_THIS_VOLATILE for functions of
	type noreturn.
	* toir.cc (IRVisitor::visit (ReturnStatement *)): Handle returning
	noreturn types.
	* types.cc (TypeVisitor::visit (TypeNoreturn *)): New method.
	(TypeVisitor::visit (TypeEnum *)): Handle special enums.

2021-03-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-builtins.cc (d_init_versions): Predefine D_PIE if flag_pie is set.

2021-03-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-lang.cc (d_enum_underlying_base_type): New function.
	(LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE): Set as
	d_enum_underlying_base_type.

2021-03-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	* Make-lang.in (DMDGEN_COMPILE): Remove.
	(d/%.dmdgen.o): Use COMPILER_FOR_BUILD and BUILD_COMPILERFLAGS to
	build all D generator programs.
	(D_SYSTEM_H): New macro.
	(d/idgen.dmdgen.o): Add dependencies to build.
	(d/impcnvgen.dmdgen.o): Likewise.
	* d-system.h: Include bconfig.h if GENERATOR_FILE is defined.

2021-03-28  Iain Buclaw  <ibuclaw@gdcproject.org>

	* config-lang.in (gtfiles): Remove modules.cc.
	* modules.cc (struct module_info): Remove GTY marker.
	(static_ctor_list): Remove variable.
	(static_dtor_list): Remove variable.
	(register_moduleinfo): Directly set DECL_STATIC_CONSTRUCTOR on
	dso_ctor, and DECL_STATIC_DESTRUCTOR on dso_dtor.
	(d_finish_compilation): Remove static ctor/dtor handling.

2021-03-06  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-lang.cc (d_init_options_struct): Don't set default
	flag_complex_method.

2021-03-03  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/99337
	* dmd/MERGE: Merge upstream dmd a3c9bf422.

2021-02-13  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd 7132b3537.
	* Make-lang.in (D_FRONTEND_OBJS): Add d/dsymbolsem.o, d/semantic2.o,
	d/semantic3.o, and d/templateparamsem.o.
	* d-compiler.cc (Compiler::genCmain): Update calls to semantic
	entrypoint functions.
	* d-lang.cc (d_parse_file): Likewise.
	* typeinfo.cc (make_frontend_typeinfo): Likewise.

2021-02-05  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-tree.h (DEF_D_INTRINSIC): Don't insert INTRINSIC_ into the
	intrinsic code name.
	* intrinsics.cc (DEF_D_INTRINSIC): Don't insert INTRISIC_ and
	BUILT_IN_ into the intrinsic and built-in code names.
	* intrinsics.def:  Explicitly use full intrinsic and built-in
	codes in all definitions.

2021-02-04  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd 46133f761.
	* d-builtins.cc (d_build_builtins_module): Set builtins as BUILTINgcc.
	(maybe_set_builtin_1): Likewise.
	* d-frontend.cc (eval_builtin): Adjust condition for early return.
	* intrinsics.cc (maybe_set_intrinsic): Set intrinsics as BUILTINgcc.
	(maybe_expand_intrinsic): Add case for INTRINSIC_BSWAP16.
	* intrinsics.def (INTRINSIC_BT): Update signature.
	(INTRINSIC_BT64): Likewise.
	(INTRINSIC_BSWAP16): New intrinsic.
	(INTRINSIC_VLOAD8): Update module.
	(INTRINSIC_VLOAD16): Likewise.
	(INTRINSIC_VLOAD32): Likewise.
	(INTRINSIC_VLOAD64): Likewise.
	(INTRINSIC_VSTORE8): Likewise.
	(INTRINSIC_VSTORE16): Likewise.
	(INTRINSIC_VSTORE32): Likewise.
	(INTRINSIC_VSTORE64): Likewise.
	(INTRINSIC_ADDS): Update signature.
	(INTRINSIC_ADDSL): Likewise.
	(INTRINSIC_ADDU): Likewise.
	(INTRINSIC_ADDUL): Likewise.
	(INTRINSIC_SUBS): Likewise.
	(INTRINSIC_SUBSL): Likewise.
	(INTRINSIC_SUBU): Likewise.
	(INTRINSIC_SUBUL): Likewise.
	(INTRINSIC_MULS): Likewise.
	(INTRINSIC_MULSL): Likewise.
	(INTRINSIC_MULU): Likewise.
	(INTRINSIC_MULUI): Likewise.
	(INTRINSIC_MULUL): Likewise.
	(INTRINSIC_NEGS): Likewise.
	(INTRINSIC_NEGSL): Likewise.

2021-02-02  Iain Buclaw  <ibuclaw@gdcproject.org>

	PR d/98921
	* dmd/MERGE: Merge upstream dmd 5e2a81d9c.

2021-01-30  Iain Buclaw  <ibuclaw@gdcproject.org>

	* typeinfo.cc (TypeInfoVisitor::visit (TypeInfoDeclaration *)): Don't
	layout m_arg1 and m_arg2 fields.

2021-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd 609c3ce2d.
	* d-compiler.cc (Compiler::loadModule): Rename to ...
	(Compiler::onParseModule): ... this.
	(Compiler::onImport): New function.
	* d-lang.cc (d_parse_file): Remove call to Compiler::loadModule.

2021-01-21  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd 3a7ebef73.

2021-01-11  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd 2d3d13748.
	* d-lang.cc (d_handle_option): Remove OPT_ftransition_checkimports and
	OPT_ftransition_import.
	* gdc.texi (Warnings): Remove documentation for -ftransition=import
	and -ftransition=checkimports.
	* lang.opt (ftransition=checkimports): Remove.
	(ftransition=import): Remove.

2021-01-09  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd cb1106ad5.

2021-01-09  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd 9bba772fa.

2021-01-09  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd e598f69c0.

2021-01-07  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd 9038e64c5.
	* d-builtins.cc (build_frontend_type): Update call to
	Parameter::create.

2021-01-05  Iain Buclaw  <ibuclaw@gdcproject.org>

	* dmd/MERGE: Merge upstream dmd a5c86f5b9.
	* d-builtins.cc (d_eval_constant_expression): Handle ADDR_EXPR trees
	created by build_string_literal.
	* d-frontend.cc (retStyle): Remove function.
	* d-target.cc (d_language_target_info): New variable.
	(d_target_info_table): Likewise.
	(Target::_init): Initialize d_target_info_table.
	(Target::isReturnOnStack): New function.
	(d_add_target_info_handlers): Likewise.
	(d_handle_target_cpp_std): Likewise.
	(d_handle_target_cpp_runtime_library): Likewise.
	(Target::getTargetInfo): Likewise.
	* d-target.h (struct d_target_info_spec): New type.
	(d_add_target_info_handlers): Declare.

2021-01-01  Jakub Jelinek  <jakub@redhat.com>

	* gdc.texi: Bump @copyrights-d year.

2021-01-01  Jakub Jelinek  <jakub@redhat.com>

	* ChangeLog-2020: Rotate ChangeLog.  New file.


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