+ Return FunctionQualifiers as ref to work in ast dump

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add missing visitor.
	* ast/rust-ast-dump.h: Add missing getter declaration.
	* ast/rust-ast-full-test.cc (BareFunctionType::as_string): Fix bare function
	string representation.
	* ast/rust-type.h (class BareFunctionType): Declare said getter.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add missing visitor.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add missing tuple type visitor.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add missing never type visitor.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add missing RawPointer visitor.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add missing array visitor

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add missing slice visitor.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

This is currently needed for lifetimes to use the existing infrastructure.

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add missing visitors.
	* ast/rust-ast-dump.h: Likewise.
	* ast/rust-ast.h: Add `get_lifetime_bounds` method.
	* ast/rust-item.h: Add missing getter for lifetimes.
	* ast/rust-type.h: Likewise.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

This is currently needed for lifetimes to use the existing infrastructure.

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add new reference visitor wrapper.
	* ast/rust-ast-dump.h: Declare it.
	* ast/rust-item.h: Add mutable visibility getters.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* typecheck/rust-tyty-call.cc (TypeCheckCallExpr::visit): Fix extra call
	to `delete`.

gcc/rust/ChangeLog:

	* ast/rust-item.h: Add location member.
	* hir/rust-ast-lower.cc (translate_visibility): Pass location argument.
	* hir/tree/rust-hir-item.h: Fix constructor to accept Location argument.

gcc/rust/ChangeLog:

	* util/rust-lang-item.h: Add handling for `phantom_data` lang item.

gcc/testsuite/ChangeLog:

	* rust/compile/torture/phantom_data.rs: New test.

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add handling for unit structures.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.h: Fix documentation.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::go): Use new API.
	(Dump::format_function_param): Refactor.
	(Dump::visit_items_joined_by_separator): New function.
	(Dump::emit_attrib): Refactor.
	(Dump::visit_as_line): New function.
	(Dump::visit_items_as_lines): Likewise.
	(Dump::visit_items_as_block): Likewise.
	(Dump::visit): Use new API.
	(Dump::emit_visibility): Likewise.
	(Dump::emit_indented_string): Likewise.
	(Dump::emit_generic_params): Likewise.
	(Dump::format_tuple_field): Likewise.
	(Dump::format_struct_field): Likewise.
	(Dump::format_function_common): Likewise.
	(Dump::visit_function_common): Likewise.
	* ast/rust-ast-dump.h: Declare new functions and add documentation.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* ast/rust-ast-dump.cc (Dump::visit): Add new visit function for overloading.
	* ast/rust-ast-dump.h: Add documentation for layer.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

gcc/rust/ChangeLog:

	* backend/rust-builtins.cc (BuiltinsContext::setup_atomic_fns): Declare atomic
	load intrinsics.
	* backend/rust-compile-intrinsic.cc (atomic_load_handler_inner): New handler.
	(atomic_load_handler): Likewise.
	(unchecked_op_handler): Remove `static` function qualifier.
	(build_atomic_builtin_name): Handle load intrinsics.
	(atomic_store_handler_inner): New handler.

gcc/testsuite/ChangeLog:

	* rust/compile/torture/intrinsics-3.rs:
	* rust/execute/torture/atomic_load.rs: New test.

gcc/rust/ChangeLog:

	* backend/rust-compile-intrinsic.cc (check_for_basic_integer_type): New function.
	(build_atomic_builtin_name): Use HIR Type instead of `tree`.
	(atomic_store_handler_inner): Cleanup error handling.
	(unchecked_op_inner): Likewise.

gcc/testsuite/ChangeLog:

	* rust/compile/torture/intrinsics-5.rs: Fix error message.

gcc/rust/ChangeLog:

	* backend/rust-compile-intrinsic.cc (wrapping_op_handler): Refactor to return
	an `std::function`.
	(wrapping_op_handler_inner): Rename.
	(wrapping_add_handler): Remove function.
	(wrapping_sub_handler): Likewise.
	(wrapping_mul_handler): Likewise.

gcc/rust/ChangeLog:

	* backend/rust-compile-intrinsic.cc (is_basic_integer_type): New function.
	(unchecked_op_inner): New handler.
	(unchecked_op_handler): New handler.

gcc/testsuite/ChangeLog:

	* rust/compile/torture/intrinsics-6.rs: New test.
	* rust/compile/torture/intrinsics-7.rs: New test.

gcc/rust/ChangeLog:

	* backend/rust-builtins.cc (BuiltinsContext::setup_atomic_fns): New function.
	(BuiltinsContext::setup): Call `setup_atomic_fns`.
	* backend/rust-builtins.h: Declare `setup_atomic_fns`.
	* backend/rust-compile-intrinsic.cc (atomic_store_handler_inner): New function.
	(atomic_store_handler): New handler.
	(make_unsigned_long_tree): Add helper around making unsigned long trees.
	(prefetch_data_handler): Use `make_unsigned_long_tree`.
	(build_atomic_builtin_name): New function.

gcc/testsuite/ChangeLog:

	* rust/compile/torture/intrinsics-4.rs: New test.
	* rust/compile/torture/intrinsics-5.rs: New test.
	* rust/execute/torture/atomic_store.rs: New test.

gcc/rust/ChangeLog:

	* backend/rust-constexpr.cc (build_anon_member_initialization): Workaround uninitialized
	values.
	(build_data_member_initialization): Likewise.

gcc/rust/ChangeLog:

	* backend/rust-compile-intrinsic.cc (sorry_handler): New intrinsic handler.

gcc/testsuite/ChangeLog:

	* rust/compile/torture/intrinsics-3.rs: New test.

gcc/rust/ChangeLog:

	* expand/rust-macro-builtins.cc (MacroBuiltin::assert): Rename to...
	(MacroBuiltin::assert_handler): ..this.
	(MacroBuiltin::file): Rename to...
	(MacroBuiltin::file_handler): ..this.
	(MacroBuiltin::column): Rename to...
	(MacroBuiltin::column_handler): ..this.
	(MacroBuiltin::include_bytes): Rename to...
	(MacroBuiltin::include_bytes_handler): ..this.
	(MacroBuiltin::include_str): Rename to...
	(MacroBuiltin::include_str_handler): ..this.
	(MacroBuiltin::compile_error): Rename to...
	(MacroBuiltin::compile_error_handler): ..this.
	(MacroBuiltin::concat): Rename to...
	(MacroBuiltin::concat_handler): ..this.
	(MacroBuiltin::env): Rename to...
	(MacroBuiltin::env_handler): ..this.
	(MacroBuiltin::cfg): Rename to...
	(MacroBuiltin::cfg_handler): ..this.
	(MacroBuiltin::include): Rename to...
	(MacroBuiltin::include_handler): ..this.
	(MacroBuiltin::line): Rename to...
	(MacroBuiltin::line_handler): ..this.
	* expand/rust-macro-builtins.h: Rename all handlers.
	* util/rust-hir-map.cc (Mappings::insert_macro_def): Use new handler
	names.

gcc/rust/ChangeLog:

	* util/rust-inline-visitor.h: Remove some offending system includes.

gcc/rust/ChangeLog:

	* util/rust-inline-visitor.h: New file.

gcc/rust/ChangeLog:

	* backend/rust-compile-expr.cc (CompileExpr::visit): Refactor checking of closures.
	(CompileExpr::generate_possible_fn_trait_call): New function.
	* backend/rust-compile-expr.h: Declare `generate_possible_fn_trait_call`.

gcc/testsuite/ChangeLog:

	* rust/execute/torture/closure2.rs: New test.

gcc/rust/ChangeLog:

	* typecheck/rust-tyty-bounds.cc (TypeCheckBase::get_predicate_from_bound): Add missing
	implementation.

gcc/rust/ChangeLog:

	* Make-lang.in: Compile rust-ast-lower-type.cc.
	* ast/rust-path.h: Add `get_locus` method to `TypePathFunction`.
	* hir/rust-ast-lower-base.cc (ASTLowerTypePath::visit): Move implementation to
	rust-ast-lower-type.cc.
	(ASTLowerQualifiedPathInType::visit): Likewise.
	(ASTLoweringType::visit): Likewise.
	* hir/rust-ast-lower-type.h: Move implementations to source file.
	* hir/tree/rust-hir-path.h: Likewise.
	* hir/rust-ast-lower-type.cc: New file.

gcc/rust/ChangeLog:

	* resolve/rust-ast-resolve-type.cc (ResolveRelativeTypePath::go): Add missing handling of
	function case.

gcc/rust/ChangeLog:

	* backend/rust-compile-context.h: Add new functions: `insert_closure_decl` and
	`lookup_closure_decl`.
	* backend/rust-compile-expr.cc (CompileExpr::visit): Start compiling Closures properly.
	(CompileExpr::generate_closure_function): New function.
	(CompileExpr::generate_closure_fntype): Likewise.
	* backend/rust-compile-expr.h: Declare `generate_closure_function` and
	`generate_closure_fntype`.
	* backend/rust-compile-type.cc (TyTyResolveCompile::visit): Visit closure types properly.
	* backend/rust-mangle.cc (legacy_mangle_name): Add support for closures.
	* backend/rust-tree.h (RS_CLOSURE_FLAG): Add new tree macro.
	(RS_CLOSURE_TYPE_P): And checking for it on tree nodes.
	* typecheck/rust-tyty.cc (ClosureType::is_equal): Add implementation.

gcc/testsuite/ChangeLog:

	* rust/execute/torture/closure1.rs: New test.

gcc/rust/ChangeLog:

	* hir/tree/rust-hir-expr.h: Add `get_params` method.
	* typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit): Typecheck closure nodes.
	(TypeCheckExpr::resolve_fn_trait_call): New function.
	* typecheck/rust-hir-type-check-expr.h: Declare `resolve_fn_trait_call` and
	`resolve_possible_fn_trait_call_method_name`.
	* typecheck/rust-hir-type-check.h: Declare `get_context_type`.
	* typecheck/rust-tyctx.cc (TypeCheckContextItem::get_context_type): New function.
	* typecheck/rust-tyty-cmp.h: Visit closures properly.
	* typecheck/rust-tyty-rules.h: Likewise.
	* typecheck/rust-tyty.cc (BaseType::bounds_compatible): Add commented out assertin.
	(ClosureType::as_string): Implement it.
	(ClosureType::clone): Fix closure cloning.
	(ClosureType::setup_fn_once_output): New function.
	* typecheck/rust-tyty.h: Improve `ClosureType` class and declare `setup_fn_once_output`.

gcc/rust/ChangeLog:

	* checks/errors/rust-const-checker.cc (ConstChecker::visit): Visit closures properly.
	* checks/errors/rust-unsafe-checker.cc (UnsafeChecker::visit): Likewise.
	* checks/lints/rust-lint-marklive.h: Likewise.

gcc/rust/ChangeLog:

	* typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit): Simplify method
	call type checking 	by removing visitor and instead using one static cast. Use the
	new interface.
	* typecheck/rust-tyty-call.cc (TypeCheckMethodCallExpr::visit): Likewise.
	(TypeCheckMethodCallExpr::go): Likewise.
	(TypeCheckMethodCallExpr::check): Likewise.
	* typecheck/rust-tyty-call.h (class TypeCheckMethodCallExpr): Likewise.
	(class Argument): Likewise.

gcc/rust/ChangeLog:

	* resolve/rust-ast-resolve-expr.cc (ResolveExpr::visit): Visit closure properly when
	name resolving.
	(ResolveExpr::resolve_closure_param): Implement closure name resolving.
	* resolve/rust-ast-resolve-expr.h: Declare visitors for closure types.

gcc/rust/ChangeLog:

	* hir/rust-ast-lower-pattern.cc (ASTLoweringPattern::ASTLoweringPattern):
	Improve formatting.
	(ASTLoweringPattern::translate): Likewise.
	* hir/rust-ast-lower-pattern.h: Likewise.
	* resolve/rust-ast-resolve-expr.h: Likewise.

gcc/rust/ChangeLog:

	* Make-lang.in: Add new object file for expression lowering.
	* ast/rust-expr.h: Move implementation of expr lowering to source file.
	* backend/rust-compile-block.h: Likewise.
	* backend/rust-compile-expr.cc (CompileExpr::visit): Likewise.
	* backend/rust-compile-expr.h: Likewise.
	* checks/errors/privacy/rust-privacy-reporter.cc (PrivacyReporter::visit): Likewise.
	* checks/errors/privacy/rust-privacy-reporter.h: Likewise.
	* checks/errors/rust-const-checker.cc (ConstChecker::visit): Likewise.
	* checks/errors/rust-const-checker.h: Likewise.
	* checks/errors/rust-unsafe-checker.cc (UnsafeChecker::visit): Likewise.
	* checks/errors/rust-unsafe-checker.h: Likewise.
	* hir/rust-ast-lower-base.h: Likewise.
	* hir/rust-ast-lower-expr.h (RUST_AST_LOWER_EXPR): Likewise.
	* hir/rust-ast-lower.cc (ASTLoweringBase::lower_closure_param): Likewise.
	* hir/rust-hir-dump.cc (Dump::visit): Likewise.
	* hir/rust-hir-dump.h: Likewise.
	* hir/tree/rust-hir-expr.h (class ClosureExpr): Likewise.
	(class ClosureExprInner): Likewise.
	(class ClosureExprInnerTyped): Likewise.
	* hir/tree/rust-hir-full-decls.h (class ClosureExprInner): Likewise.
	(class ClosureExprInnerTyped): Likewise.
	* hir/tree/rust-hir-full-test.cc (ClosureExprInnerTyped::as_string): Likewise.
	(ClosureExprInner::as_string): Likewise.
	(ClosureExprInner::accept_vis): Likewise.
	(ClosureExpr::accept_vis): Likewise.
	(ClosureExprInnerTyped::accept_vis): Likewise.
	* hir/tree/rust-hir-visitor.h: Likewise.
	* hir/tree/rust-hir.h (class Expr): Likewise.
	* typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit): Likewise.
	* typecheck/rust-hir-type-check-expr.h: Likewise.
	* hir/rust-ast-lower-expr.cc: New file.

gcc/rust/ChangeLog:

	* util/rust-lang-item.h: Add handling for `fn_once_output`.

gcc/rust/ChangeLog:

	* ast/rust-ast-fragment.cc (Fragment::Fragment): Add better APIs.
	(Fragment::complete): New function.
	(Fragment::unexpanded): New function.
	* ast/rust-ast-fragment.h: Declare new APIs and add documentation.
	* expand/rust-attribute-visitor.h: Use new Fragment API.
	* expand/rust-macro-builtins.cc (MacroBuiltin::file): Likewise.
	(MacroBuiltin::column): Likewise.
	(MacroBuiltin::include_bytes): Likewise.
	(MacroBuiltin::include_str): Likewise.
	(MacroBuiltin::concat): Likewise.
	(MacroBuiltin::env): Likewise.
	(MacroBuiltin::cfg): Likewise.
	(MacroBuiltin::include): Likewise.
	(MacroBuiltin::line): Likewise.
	* expand/rust-macro-expand.cc (parse_many): Likewise.
	(transcribe_expression): Likewise.
	(transcribe_type): Likewise.
	* expand/rust-macro-expand.h (struct MacroExpander): Likewise.

gcc/rust/ChangeLog:

	* ast/rust-ast.h (class ASTFragment): Remove old ASTFragment class.
	* ast/rust-macro.h (class MacroRulesDefinition): Use new Fragment API.
	* expand/rust-attribute-visitor.h: Likewise.
	* expand/rust-macro-builtins.cc (macro_end_token): Likewise.
	(MacroBuiltin::assert): Likewise.
	(MacroBuiltin::file): Likewise.
	(MacroBuiltin::column): Likewise.
	(MacroBuiltin::include_bytes): Likewise.
	(MacroBuiltin::include_str): Likewise.
	(MacroBuiltin::compile_error): Likewise.
	(MacroBuiltin::concat): Likewise.
	(MacroBuiltin::env): Likewise.
	(MacroBuiltin::cfg): Likewise.
	(MacroBuiltin::include): Likewise.
	(MacroBuiltin::line): Likewise.
	* expand/rust-macro-builtins.h: Likewise.
	* expand/rust-macro-expand.cc (MacroExpander::expand_decl_macro): Likewise.
	(MacroExpander::expand_invoc): Likewise.
	(MacroExpander::match_repetition): Likewise.
	(parse_many): Likewise.
	(transcribe_many_items): Likewise.
	(transcribe_many_ext): Likewise.
	(transcribe_many_trait_items): Likewise.
	(transcribe_many_impl_items): Likewise.
	(transcribe_many_trait_impl_items): Likewise.
	(transcribe_expression): Likewise.
	(transcribe_type): Likewise.
	(transcribe_on_delimiter): Likewise.
	(tokens_to_str): Likewise.
	* expand/rust-macro-expand.h (struct MacroExpander): Likewise.
	* util/rust-hir-map.cc (Mappings::insert_macro_def): Likewise.