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2025-04-04gccrs: Fix ICE for reserved lifetime namePhilip Herron2-1/+17
This is a reserved name so this changes the assertion to a diagnostic. Fixes Rust-GCC#3647 gcc/rust/ChangeLog: * typecheck/rust-typecheck-context.cc (TypeCheckContext::lookup_lifetime): emit error gcc/testsuite/ChangeLog: * rust/compile/issue-3647.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-04-04hir: Add default qualifier to function, lower it properlyArthur Cohen7-11/+53
gcc/rust/ChangeLog: * ast/rust-ast.cc (Function::Function): Rename is_default -> has_default. (Function::operator=): Likewise. * ast/rust-item.h (class Function): Add `is_default` method. * hir/rust-ast-lower-implitem.cc (ASTLowerImplItem::visit): Lower default qualifier. * hir/rust-ast-lower-item.cc (ASTLoweringItem::visit): Likewise. * hir/tree/rust-hir-item.cc (Function::Function): Add `is_default` member. (Function::operator=): Likewise. * hir/tree/rust-hir-item.h (enum class Defaultness): New enum. (class Function): Use it. gcc/testsuite/ChangeLog: * rust/compile/min_specialization1.rs: New test.
2025-04-04feature: Add min_specialization featureArthur Cohen2-0/+5
gcc/rust/ChangeLog: * checks/errors/rust-feature.cc (Feature::create): Handle `#![feature(min_specialization)]`. * checks/errors/rust-feature.h: Likewise.
2025-04-04gccrs: Fix ICE when hitting invalid types for genericsPhilip Herron9-2/+53
We need to check upfront if the type is valid or not. Then error with a decent message. Fixes Rust-GCC#3643 Fixes Rust-GCC#3646 Fixes Rust-GCC#3654 Fixes Rust-GCC#3663 Fixes Rust-GCC#3671 gcc/rust/ChangeLog: * resolve/rust-ast-resolve-type.cc (ResolveRelativeTypePath::go): fix error msg * typecheck/rust-substitution-mapper.cc (SubstMapper::Resolve): add validation (SubstMapper::valid_type): new check (SubstMapper::visit): check if can resolve * typecheck/rust-substitution-mapper.h: new prototype gcc/testsuite/ChangeLog: * rust/compile/nr2/exclude: nr2 is missing type path error * rust/compile/issue-3643.rs: New test. * rust/compile/issue-3646.rs: New test. * rust/compile/issue-3654.rs: New test. * rust/compile/issue-3663.rs: New test. * rust/compile/issue-3671.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-04-03gccrs: Fix ICE on raw referencePhilip Herron10-22/+53
This patch adds support for raw references which enforce the pointer type away from a reference type. Fixes Rust-GCC#3667 gcc/rust/ChangeLog: * backend/rust-compile-base.cc (HIRCompileBase::address_expression): allow optional type * backend/rust-compile-base.h: update prototype * backend/rust-compile-expr.cc (CompileExpr::visit): update borrow expr * backend/rust-compile-extern.h: remove unused debug * backend/rust-compile-resolve-path.cc (HIRCompileBase::query_compile): update usage * hir/rust-ast-lower-expr.cc (ASTLoweringExpr::visit): lower raw ref * hir/tree/rust-hir-expr.cc (BorrowExpr::BorrowExpr): add flag for raw ref * hir/tree/rust-hir-expr.h (class BorrowExpr): add new raw ref field * typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit): add handle for raw ref gcc/testsuite/ChangeLog: * rust/compile/issue-3667.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-04-03gccrs: Fix ICE on invalid match armsPhilip Herron2-2/+29
We hit assertions on empty enum or unknown variant, this catches the error and emits a new diagnostic. Fixes Rust-GCC#3656 gcc/rust/ChangeLog: * typecheck/rust-hir-type-check-pattern.cc (TypeCheckPattern::visit): emit error gcc/testsuite/ChangeLog: * rust/compile/issue-3656.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-04-03gccrs: Fix recusive type query and nullptr on type pathPhilip Herron13-218/+144
This was a small fix to sort out the segfault to check for nullptr on the TypePath cases for query type. But when this happened opened up a few bugs that were hidden under the carpet namely: compile/issue-2905-{1,2}.rs which has a recursive type query which needs to ne handled but now and error message is being output for the type path. This happens because we start resolving a generic struct: struct Wierd<T>(A<(T,)>); So the child field A is also generic and the generic argument of the tuple of T needs to be applied to this generic field. This causes a chunk of code to do bounds checking to ensure the bounds are ok, this is also something that probably might change as generic types will have the bounds secified anyway but thats besides the case right now. So once this bounds checking occurs we endup looking at the impl block for Wierd<i32> which is also grand but we still havent finished resolving the parent type of Wierd which is recusive. But the query type system needs to check for that. The other issue was: compile/issue-3022.rs which is a resolution issue: impl<T: Foo<U>, U> Foo<U> for Bar<T, U> The bound of Foo<T> is added to T before U is resolved but this was hidden before the new error message was added. So now we have a generic arguements handler being used correctly all over the code base apart from 1 last case for Traits but we will deal with that later. This handles the case by setting up the type parameters upfront then sorting out their bounds. Fixes Rust-GCC#3625 gcc/rust/ChangeLog: * typecheck/rust-hir-trait-resolve.cc (TraitResolver::resolve_trait): new argument * typecheck/rust-hir-type-check-base.cc (TypeCheckBase::TypeCheckBase): new helper * typecheck/rust-hir-type-check-base.h: new helper prototype * typecheck/rust-hir-type-check-implitem.cc (TypeCheckTopLevelExternItem::visit): remove comment out code * typecheck/rust-hir-type-check-path.cc (TypeCheckExpr::resolve_root_path): check for null * typecheck/rust-hir-type-check-type.cc (TypeCheckType::resolve_root_path): likewise (TypeResolveGenericParam::Resolve): new args (TypeResolveGenericParam::ApplyAnyTraitBounds): new helper (TypeResolveGenericParam::apply_trait_bounds): new field (TypeResolveGenericParam::visit): update * typecheck/rust-hir-type-check-type.h: new args * typecheck/rust-hir-type-check.cc (TraitItemReference::get_type_from_fn): reuse helper * typecheck/rust-type-util.cc (query_type): check for recursive query * typecheck/rust-tyty-subst.cc (SubstitutionParamMapping::SubstitutionParamMapping): remove const (SubstitutionParamMapping::get_generic_param): likewise * typecheck/rust-tyty-subst.h: likewise * typecheck/rust-tyty-variance-analysis.cc (GenericTyVisitorCtx::process_type): likewise gcc/testsuite/ChangeLog: * rust/compile/issue-3625.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-04-02gccrs: Fix ICE when there are 2 functions named mainPhilip Herron10-22/+30
We need to setup the main_identifier_node for MAIN_DECL_P checks in the middle-end. But it is valid to have a main function/method on impl blocks. So we need to flag if this is a "root" item or not, which is one that is jsut an HIR::Function on part of the Crate::items as oppposed to a HIR::Function which is part of an HIR::ImplBlock as part of the HIR::Crate. Some small cleanups have been added here too. Fixes Rust-GCC#3648 gcc/rust/ChangeLog: * backend/rust-compile-base.cc: new flag is_root_item * backend/rust-compile-base.h: update prototype * backend/rust-compile-implitem.cc (CompileTraitItem::visit): update call * backend/rust-compile-implitem.h: remove old debug internal error * backend/rust-compile-item.cc (CompileItem::visit): update call * backend/rust-compile-item.h: remove old debug * backend/rust-compile-resolve-path.cc (HIRCompileBase::query_compile): update calls * backend/rust-compile.cc: likewise * typecheck/rust-hir-trait-resolve.cc (TraitResolver::resolve_path_to_trait): remove assertion and error gcc/testsuite/ChangeLog: * rust/compile/issue-3648.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-04-01gccrs: Fix ICE when resolving lifetimes without namePhilip Herron2-2/+8
We dont need to assert here the lifetime code already supports this case. Fixes Rust-GCC#3657 gcc/rust/ChangeLog: * typecheck/rust-hir-type-check-base.cc: remove assertion gcc/testsuite/ChangeLog: * rust/compile/issue-3657.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-04-01gccrs: Fix ICE when doing shift checks on const declPhilip Herron2-0/+12
Const decls are just delcarations wrapping the value into the DECL_INITIAL and the shift checks we have assume no decls are involved and its just flat values. This patch simply unwraps the constant values if they exist. Fixes Rust-GCC#3665 gcc/rust/ChangeLog: * rust-gcc.cc (arithmetic_or_logical_expression): unwrap const decls gcc/testsuite/ChangeLog: * rust/compile/issue-3665.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-04-01nr2.0: Handle global pathsOwen Avery5-51/+96
gcc/rust/ChangeLog: * resolve/rust-forever-stack.h (ForeverStack::ForeverStack): Initialize extern_prelude. (ForeverStack::resolve_path): Add parameter has_opening_scope_resolution. (ForeverStack::extern_prelude): Add field. * resolve/rust-forever-stack.hxx: Include rust-edition.h. (ForeverStacl::resolve_path): Handle global paths (paths with an opening scope resolution operator). * resolve/rust-late-name-resolver-2.0.cc (Late::visit): Handle global paths. * resolve/rust-name-resolution-context.h (NameResolutionContext::resolve_path): Handle global paths. gcc/testsuite/ChangeLog: * rust/compile/nr2/exclude: Remove entries. Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>
2025-03-31Evaluate the enum's discriminant in a const contextRyutaro Okada2-0/+9
gcc/rust/ChangeLog: * backend/rust-compile-resolve-path.cc: Evaluate the enum's discriminant in a const context gcc/testsuite/ChangeLog: * rust/compile/enum_discriminant1.rs: New test. Signed-off-by: Ryutaro Okada <1015ryu88@gmail.com>
2025-03-28gccrs: Fix SEGV when type path resolver fails outrightPhilip Herron2-0/+25
When we resolve paths we resolve to Types first we walk each segment to the last module which has no type but then in the event that the child of a module is not found we have a null root_tyty which needs to be caught and turned into an ErrorType node. Fixes Rust-GCC#3613 gcc/rust/ChangeLog: * typecheck/rust-hir-type-check-type.cc (TypeCheckType::resolve_root_path): catch nullptr root_tyty gcc/testsuite/ChangeLog: * rust/compile/issue-3613.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-28gccrs: fix crash in parse repr options and missing delete callPhilip Herron2-2/+24
Fixes Rust-GCC#3606 gcc/rust/ChangeLog: * typecheck/rust-hir-type-check-base.cc (TypeCheckBase::parse_repr_options): check for null and empty and add missing delete call gcc/testsuite/ChangeLog: * rust/compile/issue-3606.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-28gccrs: fix ice when setting up regionsPhilip Herron2-1/+6
num regions is based on the used arguments of regions which can be less than the substutions requirements. So lets check for that and allow anon regions to be created for them. Fixes Rust-GCC#3605 gcc/rust/ChangeLog: * typecheck/rust-tyty-subst.h: check for min range gcc/testsuite/ChangeLog: * rust/compile/issue-3605.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-28gccrs: FIX ICE for malformed repr attributePhilip Herron2-0/+9
Fixes Rust-GCC#3614 gcc/rust/ChangeLog: * typecheck/rust-hir-type-check-base.cc (TypeCheckBase::parse_repr_options): check for input gcc/testsuite/ChangeLog: * rust/compile/issue-3614.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-28gccrs: FIX ICE when working with HIR::BareFunctionTypePhilip Herron3-2/+12
Fixes Rust-GCC#3615 gcc/rust/ChangeLog: * hir/rust-hir-dump.cc (Dump::visit): check has type * hir/tree/rust-hir-type.cc (BareFunctionType::BareFunctionType): likewise gcc/testsuite/ChangeLog: * rust/compile/issue-3615.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-28gccrs: Fix ICE in array ref constexprPhilip Herron2-4/+19
Since 898d55ad7e2 was fixed to remove the VIEW_CONVERT_EXPR from array expressions we can now turn on the array element access const expr. Fixes Rust-GCC#3563 gcc/rust/ChangeLog: * backend/rust-constexpr.cc (eval_store_expression): turn this back on gcc/testsuite/ChangeLog: * rust/compile/issue-3563.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-28Add ending newline to rust-macro-builtins-log-debug.ccOwen Avery1-1/+1
gcc/rust/ChangeLog: * expand/rust-macro-builtins-log-debug.cc: Add newline to end of file. Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>
2025-03-28nr2.0: Rename prelude to lang_preludeOwen Avery3-13/+14
gcc/rust/ChangeLog: * resolve/rust-forever-stack.h (ForeverStack::get_prelude): Rename to... (ForeverStack::get_lang_prelude): ...here. (ForeverStack::prelude): Rename to... (ForeverStack::lang_prelude): ...here. (ForeverStack::ForeverStack): Handle renames. * resolve/rust-forever-stack.hxx (ForeverStack::push_inner): Likewise. (ForeverStack::resolve_segments): Likewise. (ForeverStack::resolve_path): Likewise. (ForeverStack::get_prelude): Rename to... (ForeverStack::get_lang_prelude): ...here and handle renames. * resolve/rust-late-name-resolver-2.0.cc (Late::visit): Handle renames. Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>
2025-03-28nr2.0: Fix test macros/mbe/macro43.rsOwen Avery2-5/+11
gcc/testsuite/ChangeLog: * rust/compile/macros/mbe/macro43.rs: Adjust test to pass with name resolution 2.0. * rust/compile/nr2/exclude: Remove macros/mbe/macro43.rs. Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>
2025-03-27gccrs: Fix ICE during const expr eval on array expressionsPhilip Herron3-1/+11
Array expressions are still getting turned into VIEW_CONVERT_EXPR's becuase TYPE_MAIN_VARIANT is not set so then we might as well reuse the type-hasher to sort this out. Fixes Rust-GCC#3588 gcc/rust/ChangeLog: * backend/rust-compile-context.h: only push named types * backend/rust-compile-type.cc (TyTyResolveCompile::visit): run the type hasher gcc/testsuite/ChangeLog: * rust/compile/issue-3588.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-27gccrs: Fix ICE when compiling path which resolves to trait constantPhilip Herron3-1/+38
Fixes Rust-GCC#3552 gcc/rust/ChangeLog: * backend/rust-compile-resolve-path.cc (HIRCompileBase::query_compile): check for Expr trait * hir/rust-hir-dump.cc (Dump::visit): expr is optional gcc/testsuite/ChangeLog: * rust/compile/issue-3552.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-27Add new test to highlight namespace for self importPierre-Emmanuel Patry1-0/+14
gcc/testsuite/ChangeLog: * rust/compile/self_import_namespace.rs: New test. Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
2025-03-27Update exclusion listPierre-Emmanuel Patry1-6/+0
gcc/testsuite/ChangeLog: * rust/compile/nr2/exclude: Remove now passing tests from exclusion list. Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
2025-03-27Resolve module final self segment in use declsPierre-Emmanuel Patry3-8/+42
Lowercase self suffix with path was not resolved properly, this should point to the module right before. gcc/rust/ChangeLog: * resolve/rust-forever-stack.hxx: Add a new specialized function to retrieve the last "real" segment depending on the namespace. * resolve/rust-forever-stack.h: Add new function prototype. * resolve/rust-early-name-resolver-2.0.cc (Early::finalize_rebind_import): Set declared name according to the selected segment, if there is a self suffix in the use declaration then select the previous segment. Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
2025-03-27gccrs: Give the builtin unit struct an actual locusPhilip Herron5-8/+17
This has been a pet peeve of mine for a while because the gimple never emitted the struct () name properly it was always empty which for record types they always require a real locus or they dont get a proper name. gcc/rust/ChangeLog: * backend/rust-compile-base.cc (HIRCompileBase::unit_expression): pass ctx * backend/rust-compile-base.h: cant be static * backend/rust-compile-intrinsic.cc (try_handler_inner): pass ctx * backend/rust-compile-type.cc (TyTyResolveCompile::get_unit_type): update to grab the first locus (TyTyResolveCompile::visit): pass ctx * backend/rust-compile-type.h: likewise Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-27gccrs: Fix ICE when doing method resolution on trait predicatesPhilip Herron3-2/+31
We need to ensure we are adding methods to the possible candidates. Fixes Rust-GCC#3554 gcc/rust/ChangeLog: * typecheck/rust-hir-dot-operator.cc: gcc/testsuite/ChangeLog: * rust/compile/issue-3554-1.rs: New test. * rust/compile/issue-3554-2.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-27gccrs: Fix ICE when using super mid way though pathPhilip Herron3-0/+14
Fixes Rust-GCC#3568 gcc/rust/ChangeLog: * resolve/rust-ast-resolve-path.cc (ResolvePath::resolve_path): check for super mid path gcc/testsuite/ChangeLog: * rust/compile/nr2/exclude: nr2 puts out a different error multiple times * rust/compile/issue-3568.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-27gccrs: Fix ICE when compiling block expressions in array capacityPhilip Herron5-1/+59
We need to reuse the existing compile_constant_item helper which handles the case if this is a simple expression, fn-call or a block expression. The patch extracts out this helper as a static method so this can be used in more places. Fixes Rust-GCC#3566 gcc/rust/ChangeLog: * backend/rust-compile-base.cc (HIRCompileBase::address_expression): new helper constexpr * backend/rust-compile-base.h: prototype * backend/rust-compile-type.cc (TyTyResolveCompile::visit): call constexpr helper gcc/testsuite/ChangeLog: * rust/compile/issue-3566-1.rs: New test. * rust/compile/issue-3566-2.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-27gccrs: Add check for super traits being implemented by SelfPhilip Herron4-3/+95
We need to recursively check the super traits of the predicate the Self type is trying to implement. Otherwise its cannot implement it. Fixes Rust-GCC#3553 gcc/rust/ChangeLog: * typecheck/rust-hir-type-check-item.cc (TypeCheckItem::resolve_impl_block_substitutions): Track the polarity * typecheck/rust-tyty-bounds.cc (TypeBoundPredicate::validate_type_implements_this): new validator * typecheck/rust-tyty.h: new prototypes gcc/testsuite/ChangeLog: * rust/compile/issue-3553.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-27gccrs: Fix ICE when array elements are not a valuePhilip Herron2-0/+15
We need to check for error_mark_node when doing adjustments from coercion sites otherwise we hit assetions as part of the coercion. That fixes the ICE but the reason for the error_mark_node is because the array element value. Fixes Rust-GCC#3567 gcc/rust/ChangeLog: * backend/rust-compile-expr.cc (CompileExpr::array_value_expr): add value chk for array expr gcc/testsuite/ChangeLog: * rust/compile/issue-3567.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-26Fix core library test with proper canonical pathPierre-Emmanuel Patry1-4/+4
Import from core library was wrong, it misses several crate directives since we're no longer dealing with multiple files. gcc/testsuite/ChangeLog: * rust/compile/issue-2905-2.rs: Import from core library into a single file misses the crate directives. Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
2025-03-26gccrs: fix unconstrained infer vars on generic associated typePhilip Herron4-11/+9
The trick here is that when Bar::test is resolved it resolves to the trait method: fn <Bar<i32>, T> (placeholder) -> placeholder Which is fine so we need to setup the associated types for Bar<i32> which means looking up the associated impl block then setting up the projection of A = T so it becomes: fn <Bar<i32>, T> (placeholder: projection<T>:T) -> placeholder: projection<T>:T But previously it was auto injecting inference variables so it became: fn <Bar<i32>, T> (placeholder: projection<T>:?T) -> placeholder: projection<T>:?T The issue is that the binding of the generics was still T so this caused inference variables to be injected again but unlinked. A possible tweak would be that we are substituting again with new infer vars to actually just unify them enplace so they are all part of the chain. This still might be needed but lets hold off for now. So basically when we are Path probing we dont allow GAT's to generate new inference vars because they wont be bound to this current segment which just causes confusion. Fixes Rust-GCC#3242 gcc/rust/ChangeLog: * typecheck/rust-hir-trait-reference.h: add default infer arg * typecheck/rust-hir-trait-resolve.cc: dont add new infer vars * typecheck/rust-hir-type-check-path.cc (TypeCheckExpr::resolve_segments): dont infer gcc/testsuite/ChangeLog: * rust/compile/issue-3242.rs: no longer skip the test Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-26Fix validation of constant itemsOwen Avery3-1/+9
gcc/rust/ChangeLog: * checks/errors/rust-ast-validation.cc (ASTValidation::visit): Allow constant items lacking expressions if and only if they're associated with a trait definition, not a trait implementation. gcc/testsuite/ChangeLog: * rust/compile/issue-3541-1.rs: New test. * rust/compile/issue-3541-2.rs: Likewise. Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>
2025-03-26testsuite: Add more testcases for cfg() in coreArthur Cohen2-0/+24
gcc/testsuite/ChangeLog: * rust/compile/cfg-core1.rs: New test. * rust/compile/cfg-core2.rs: New test.
2025-03-26Lower raw string literalsOwen Avery2-2/+5
gcc/rust/ChangeLog: * hir/rust-ast-lower-base.cc (ASTLoweringBase::lower_literal): Lower raw string literals into normal string literals. gcc/testsuite/ChangeLog: * rust/compile/issue-3549.rs: New test. Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>
2025-03-26rust: Lower minimum supported Rust version to 1.49Arthur Cohen5-156/+9
gcc/rust/ChangeLog: * checks/errors/borrowck/ffi-polonius/Cargo.lock: Regenerate. * checks/errors/borrowck/ffi-polonius/Cargo.toml: Update to use source patching instead of vendoring, lower edition to 2018. * checks/errors/borrowck/ffi-polonius/vendor/log/Cargo.toml: Change edition to 2018. * checks/errors/borrowck/ffi-polonius/vendor/log/src/lib.rs: Remove uses of unstable feature. * checks/errors/borrowck/ffi-polonius/.cargo/config.toml: Removed. libgrust/ChangeLog: * libformat_parser/Makefile.am: Avoid using --config as it is unsupported by cargo 1.49. * libformat_parser/Makefile.in: Regenerate. * libformat_parser/generic_format_parser/src/lib.rs: Use extension trait for missing features. * libformat_parser/src/lib.rs: Likewise. * libformat_parser/.cargo/config: Moved to... * libformat_parser/.cargo/config.toml: ...here.
2025-03-25nr2.0: Fix test const_generics_3.rsOwen Avery2-4/+5
gcc/testsuite/ChangeLog: * rust/compile/const_generics_3.rs: Modify test to run with name resolution 2.0 only and to handle the absence of a bogus resolution error. * rust/compile/nr2/exclude: Remove const_generics_3.rs. Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>
2025-03-25lower: Handle let-else properlyArthur Cohen3-5/+37
gcc/rust/ChangeLog: * hir/tree/rust-hir-stmt.h (class LetStmt): Add optional diverging else expression. * hir/tree/rust-hir-stmt.cc: Likewise. * hir/rust-ast-lower-stmt.cc (ASTLoweringStmt::visit): Add handling for lowering diverging else.
2025-03-25name-resolution: Handle let-else properlyArthur Cohen2-3/+7
gcc/rust/ChangeLog: * resolve/rust-ast-resolve-stmt.h: Add handling for diverging else. * resolve/rust-late-name-resolver-2.0.cc (Late::visit): Likewise.
2025-03-25dump: Handle let-else properlyArthur Cohen1-0/+8
gcc/rust/ChangeLog: * ast/rust-ast-collector.cc (TokenCollector::visit): Add handling for diverging else expression.
2025-03-25parser: Parse let-else statementsArthur Cohen1-1/+5
gcc/rust/ChangeLog: * parse/rust-parse-impl.h (Parser::parse_let_stmt): Add new parsing in case of `else` token.
2025-03-25ast: Add optional diverging else to AST::LetStmtArthur Cohen2-2/+30
gcc/rust/ChangeLog: * ast/rust-stmt.h (class LetStmt): Add optional expression for diverging else. * ast/rust-ast-builder.cc (Builder::let): Use new API.
2025-03-24Remove now passing test from exclusion listPierre-Emmanuel Patry1-5/+0
Those tests were malformed and failed with the new name resolution because of it. gcc/testsuite/ChangeLog: * rust/compile/nr2/exclude: Remove test from exclusion list. Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
2025-03-24Fix testcase module pathPierre-Emmanuel Patry9-137/+139
Those tests are coming from libcore and module inlining was wrong, in libcore there was a use declaration to import those modules which was missing here. gcc/testsuite/ChangeLog: * rust/compile/issue-2330.rs: Use complete path from crate root. * rust/compile/issue-1901.rs: Likewise. * rust/compile/issue-1981.rs: Likewise. * rust/compile/iterators1.rs: Likewise. * rust/compile/sizeof-stray-infer-var-bug.rs: Likewise. * rust/compile/for-loop1.rs: Likewise. * rust/compile/for-loop2.rs: Likewise. * rust/compile/torture/builtin_abort.rs: Likewise. * rust/compile/torture/uninit-intrinsic-1.rs: Likewise. Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
2025-03-24Fix function name to printfPierre-Emmanuel Patry2-2/+5
Function could not be found and triggered an error message. gcc/testsuite/ChangeLog: * rust/compile/feature_rust_attri0.rs: Add extern function declaration and change name to printf. * rust/compile/nr2/exclude: Remove now passing test from exclusion list. Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
2025-03-23gccrs: support generic super traits recursivelyPhilip Herron10-60/+166
In order to handle generic super traits on any trait bound we need to ensure we track the TypeBoundPredicate as part of the TraitReference instead of just the raw TraitReferences because these will have any applied generics enplace. Then for any TypeBoundPredicate it takes a copy of the super traits because this is the usage of a TraitBound and we can apply generics which then need to be recursively applied up the chain of super predicates. The main tweak is around TypeBoundPredicate::lookup_associated_item because we need to associate the predicate with the item we are looking up so the caller can respect the generics correctly as well. Fixes Rust-GCC#3502 gcc/rust/ChangeLog: * typecheck/rust-hir-path-probe.cc: update call * typecheck/rust-hir-trait-reference.cc (TraitReference::lookup_trait_item): track predicate (TraitReference::is_equal): likewise (TraitReference::is_object_safe): likewise (TraitReference::satisfies_bound): likewise * typecheck/rust-hir-trait-reference.h: likewise * typecheck/rust-hir-trait-resolve.cc (TraitResolver::resolve_trait): likewise * typecheck/rust-tyty-bounds.cc (TypeBoundPredicate::TypeBoundPredicate): track super traits (TypeBoundPredicate::operator=): likewise (TypeBoundPredicate::apply_generic_arguments): ensure we apply to super predicates (TypeBoundPredicateItem::operator=): take copy of parent predicate (TypeBoundPredicateItem::error): pass error instead of nullptr (TypeBoundPredicateItem::is_error): update to no longer check for nullptr (TypeBoundPredicateItem::get_parent): updated (TypeBoundPredicateItem::get_tyty_for_receiver): likewise (TypeBoundPredicate::get_associated_type_items): likewise * typecheck/rust-tyty-bounds.h (class TypeBoundPredicateItem): move * typecheck/rust-tyty-subst.cc: flag to handle placeholder Self on traits * typecheck/rust-tyty-subst.h (class TypeBoundPredicateItem): likewise * typecheck/rust-tyty.h (class TypeBoundPredicateItem): refactored gcc/testsuite/ChangeLog: * rust/execute/torture/issue-3502.rs: New test. Signed-off-by: Philip Herron <herron.philip@googlemail.com>
2025-03-21nr2.0: Fix StructExprFieldIdentifier handlingOwen Avery3-8/+29
gcc/rust/ChangeLog: * resolve/rust-late-name-resolver-2.0.cc (Late::visit): Add visitor for StructExprFieldIdentifier. * resolve/rust-late-name-resolver-2.0.h (Late::visit): Likewise. gcc/testsuite/ChangeLog: * rust/compile/nr2/exclude: Remove entries. Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>
2025-03-21rust: force cargo to build offlineMarc Poulhiès1-1/+1
gcc/rust/Changelog: PR rust/119333 * Make-lang.in: Force offline mode for cargo Signed-off-by: Marc Poulhiès <dkm@kataplop.net>
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