bors 80420a693f Auto merge of #124747 - MasterAwesome:master, r=davidtwco ... Support Result<T, E> across FFI when niche optimization can be used (v2) This PR is identical to #122253, which was approved and merged but then removed from master by a force-push due to a [CI bug](https://rust-lang.zulipchat.com/#narrow/stream/242791-t-infra/topic/ci.20broken.3F). r? ghost Original PR description: --- Allow allow enums like `Result<T, E>` to be used across FFI if the T/E can be niche optimized and the non-niche-optimized type is FFI safe. Implementation of https://github.com/rust-lang/rfcs/pull/3391 Tracking issue: https://github.com/rust-lang/rust/issues/110503 Additional ABI and codegen tests were added in https://github.com/rust-lang/rust/pull/115372		2024-05-06 00:55:49 +00:00
..
auxiliary
allow-features-empty.rs
allow-features-empty.stderr
allow-features.rs
allow-features.stderr
bench.rs
bench.stderr
doc-rust-logo.rs
doc-rust-logo.stderr
duplicate-features.rs
duplicate-features.stderr
env-flag.rs
env-flag.stderr
feature-gate-abi_ptx.rs
feature-gate-abi_ptx.stderr
feature-gate-abi_unadjusted.rs
feature-gate-abi_unadjusted.stderr
feature-gate-abi-avr-interrupt.rs
feature-gate-abi-avr-interrupt.stderr
feature-gate-abi-msp430-interrupt.rs
feature-gate-abi-msp430-interrupt.stderr
feature-gate-abi-riscv-interrupt.rs
feature-gate-abi-riscv-interrupt.stderr
feature-gate-abi-x86-interrupt.rs
feature-gate-abi-x86-interrupt.stderr
feature-gate-abi.rs	Don't even parse an intrinsic unless the feature gate is enabled	2024-04-07 13:30:12 -04:00
feature-gate-abi.stderr	Don't even parse an intrinsic unless the feature gate is enabled	2024-04-07 13:30:12 -04:00
feature-gate-adt_const_params.rs
feature-gate-adt_const_params.stderr	Provide structured suggestion for #![feature(foo)]	2024-03-18 16:08:58 +00:00
feature-gate-alloc-error-handler.rs
feature-gate-alloc-error-handler.stderr
feature-gate-allocator_internals.rs
feature-gate-allocator_internals.stderr
feature-gate-allow-internal-unsafe-nested-macro.rs
feature-gate-allow-internal-unsafe-nested-macro.stderr
feature-gate-allow-internal-unstable-nested-macro.rs
feature-gate-allow-internal-unstable-nested-macro.stderr
feature-gate-allow-internal-unstable-struct.rs
feature-gate-allow-internal-unstable-struct.stderr
feature-gate-allow-internal-unstable.rs
feature-gate-allow-internal-unstable.stderr
feature-gate-arbitrary_self_types-raw-pointer.rs
feature-gate-arbitrary_self_types-raw-pointer.stderr
feature-gate-arbitrary-self-types.rs
feature-gate-arbitrary-self-types.stderr
feature-gate-asm_const.rs
feature-gate-asm_const.stderr
feature-gate-asm_experimental_arch.rs
feature-gate-asm_experimental_arch.stderr
feature-gate-asm_goto.rs
feature-gate-asm_goto.stderr
feature-gate-asm_unwind.rs
feature-gate-asm_unwind.stderr
feature-gate-assoc-type-defaults.rs
feature-gate-assoc-type-defaults.stderr
feature-gate-associated_const_equality.rs
feature-gate-associated_const_equality.stderr
feature-gate-auto-traits.rs
feature-gate-auto-traits.stderr
feature-gate-box_patterns.rs
feature-gate-box_patterns.stderr
feature-gate-builtin_syntax.rs
feature-gate-builtin_syntax.stderr
feature-gate-c_variadic.rs
feature-gate-c_variadic.stderr
feature-gate-cfg_overflow_checks.rs
feature-gate-cfg_overflow_checks.stderr
feature-gate-cfg_sanitize.rs
feature-gate-cfg_sanitize.stderr
feature-gate-cfg_ub_checks.rs	Put checks that detect UB under their own flag below debug_assertions	2024-04-06 11:21:47 -04:00
feature-gate-cfg_ub_checks.stderr	Put checks that detect UB under their own flag below debug_assertions	2024-04-06 11:21:47 -04:00
feature-gate-cfg-relocation-model.rs
feature-gate-cfg-relocation-model.stderr
feature-gate-cfg-sanitizer_cfi.rs
feature-gate-cfg-sanitizer_cfi.stderr
feature-gate-cfg-target-compact.rs	tests/ui: prepare some tests for --check-cfg by default	2024-05-04 11:30:38 +02:00
feature-gate-cfg-target-compact.stderr	tests/ui: prepare some tests for --check-cfg by default	2024-05-04 11:30:38 +02:00
feature-gate-cfg-target-has-atomic-equal-alignment.rs
feature-gate-cfg-target-has-atomic-equal-alignment.stderr
feature-gate-cfg-target-has-atomic.rs
feature-gate-cfg-target-has-atomic.stderr
feature-gate-cfg-target-thread-local.rs
feature-gate-cfg-target-thread-local.stderr
feature-gate-cfg-version.rs
feature-gate-cfg-version.stderr
feature-gate-cfi_encoding.rs
feature-gate-cfi_encoding.stderr
feature-gate-closure_lifetime_binder.rs
feature-gate-closure_lifetime_binder.stderr
feature-gate-closure_track_caller.rs	Error on using yield without also using #[coroutine] on the closure	2024-04-24 08:05:29 +00:00
feature-gate-closure_track_caller.stderr	Error on using yield without also using #[coroutine] on the closure	2024-04-24 08:05:29 +00:00
feature-gate-compiler-builtins.rs
feature-gate-compiler-builtins.stderr
feature-gate-concat_bytes.rs
feature-gate-concat_bytes.stderr
feature-gate-concat_idents2.rs
feature-gate-concat_idents2.stderr
feature-gate-concat_idents3.rs
feature-gate-concat_idents3.stderr
feature-gate-concat_idents.rs
feature-gate-concat_idents.stderr
feature-gate-const_refs_to_cell.rs
feature-gate-const-indexing.rs
feature-gate-const-refs-to-static.rs
feature-gate-const-refs-to-static.stderr
feature-gate-coroutines.e2024.stderr	Error on using yield without also using #[coroutine] on the closure	2024-04-24 08:05:29 +00:00
feature-gate-coroutines.none.stderr	Error on using yield without also using #[coroutine] on the closure	2024-04-24 08:05:29 +00:00
feature-gate-coroutines.rs	Error on using yield without also using #[coroutine] on the closure	2024-04-24 08:05:29 +00:00
feature-gate-coverage-attribute.rs
feature-gate-coverage-attribute.stderr
feature-gate-custom_attribute2.rs
feature-gate-custom_attribute2.stderr
feature-gate-custom_attribute.rs
feature-gate-custom_attribute.stderr
feature-gate-custom_mir.rs
feature-gate-custom_mir.stderr
feature-gate-custom_test_frameworks.rs
feature-gate-custom_test_frameworks.stderr
feature-gate-decl_macro.rs
feature-gate-decl_macro.stderr
feature-gate-default_type_parameter_fallback.rs
feature-gate-default_type_parameter_fallback.stderr
feature-gate-deprecated_safe.rs
feature-gate-deprecated_safe.stderr
feature-gate-deref_patterns.rs	Add barest-bones deref patterns	2024-03-20 22:30:27 +01:00
feature-gate-deref_patterns.stderr	Add barest-bones deref patterns	2024-03-20 22:30:27 +01:00
feature-gate-dispatch-from-dyn-cell.rs	Replace item names containing an error code with something more meaningful	2024-04-30 22:27:19 +02:00
feature-gate-dispatch-from-dyn-cell.stderr	Replace item names containing an error code with something more meaningful	2024-04-30 22:27:19 +02:00
feature-gate-dispatch-from-dyn-missing-impl.rs
feature-gate-dispatch-from-dyn-missing-impl.stderr
feature-gate-doc_cfg.rs
feature-gate-doc_cfg.stderr
feature-gate-doc_masked.rs
feature-gate-doc_masked.stderr
feature-gate-doc_notable_trait.rs
feature-gate-doc_notable_trait.stderr
feature-gate-exhaustive-patterns.rs
feature-gate-exhaustive-patterns.stderr
feature-gate-explicit_tail_calls.rs
feature-gate-explicit_tail_calls.stderr
feature-gate-extern_absolute_paths.rs
feature-gate-extern_absolute_paths.stderr
feature-gate-extern_prelude.rs
feature-gate-extern_prelude.stderr
feature-gate-extern_types.rs
feature-gate-extern_types.stderr
feature-gate-f16.e2015.stderr	Fix f16 and f128 feature gates in editions other than 2015	2024-04-03 16:03:22 -04:00
feature-gate-f16.e2018.stderr	Fix f16 and f128 feature gates in editions other than 2015	2024-04-03 16:03:22 -04:00
feature-gate-f16.rs	Update f16 and f128 tests to run on both 2015 and 2018 editions	2024-04-03 16:03:22 -04:00
feature-gate-f128.e2015.stderr	Fix f16 and f128 feature gates in editions other than 2015	2024-04-03 16:03:22 -04:00
feature-gate-f128.e2018.stderr	Fix f16 and f128 feature gates in editions other than 2015	2024-04-03 16:03:22 -04:00
feature-gate-f128.rs	Update f16 and f128 tests to run on both 2015 and 2018 editions	2024-04-03 16:03:22 -04:00
feature-gate-feature-gate.rs
feature-gate-feature-gate.stderr
feature-gate-ffi_const.rs
feature-gate-ffi_const.stderr
feature-gate-ffi_pure.rs
feature-gate-ffi_pure.stderr
feature-gate-fn_align.rs
feature-gate-fn_align.stderr
feature-gate-fn_delegation.rs
feature-gate-fn_delegation.stderr
feature-gate-format_args_nl.rs
feature-gate-format_args_nl.stderr
feature-gate-freeze-impls.rs
feature-gate-freeze-impls.stderr
feature-gate-fundamental.rs
feature-gate-fundamental.stderr
feature-gate-gen_blocks.e2024.stderr
feature-gate-gen_blocks.none.stderr
feature-gate-gen_blocks.rs
feature-gate-generic_arg_infer.normal.stderr	Provide structured suggestion for #![feature(foo)]	2024-03-18 16:08:58 +00:00
feature-gate-generic_arg_infer.rs
feature-gate-generic_associated_types_extended.rs
feature-gate-generic_associated_types_extended.stderr
feature-gate-impl_trait_in_assoc_type.rs
feature-gate-impl_trait_in_assoc_type.stderr	Merge collect_mod_item_types query into check_well_formed	2024-03-07 14:26:31 +00:00
feature-gate-impl_trait_in_fn_trait_return.rs
feature-gate-impl_trait_in_fn_trait_return.stderr
feature-gate-inherent_associated_types.rs
feature-gate-inherent_associated_types.stderr
feature-gate-inline_const_pat.rs
feature-gate-inline_const_pat.stderr
feature-gate-intrinsics.rs	Don't even parse an intrinsic unless the feature gate is enabled	2024-04-07 13:30:12 -04:00
feature-gate-intrinsics.stderr	Don't even parse an intrinsic unless the feature gate is enabled	2024-04-07 13:30:12 -04:00
feature-gate-is_sorted.rs
feature-gate-is_sorted.stderr
feature-gate-lang-items.rs	consistency rename: language item -> lang item	2024-04-17 13:00:43 +02:00
feature-gate-lang-items.stderr	consistency rename: language item -> lang item	2024-04-17 13:00:43 +02:00
feature-gate-large-assignments.rs
feature-gate-large-assignments.stderr
feature-gate-lifetime-capture-rules-2024.rs
feature-gate-lifetime-capture-rules-2024.stderr
feature-gate-link_cfg.rs
feature-gate-link_cfg.stderr
feature-gate-link_llvm_intrinsics.rs
feature-gate-link_llvm_intrinsics.stderr
feature-gate-link-arg-attribute.rs
feature-gate-link-arg-attribute.stderr
feature-gate-linkage.rs
feature-gate-linkage.stderr
feature-gate-lint-reasons.rs
feature-gate-lint-reasons.stderr
feature-gate-log_syntax2.rs
feature-gate-log_syntax2.stderr
feature-gate-log_syntax2.stdout
feature-gate-log_syntax.rs
feature-gate-log_syntax.stderr
feature-gate-log_syntax.stdout
feature-gate-marker_trait_attr.rs
feature-gate-marker_trait_attr.stderr
feature-gate-may-dangle.rs
feature-gate-may-dangle.stderr
feature-gate-min_const_fn.rs
feature-gate-min_const_fn.stderr
feature-gate-more-qualified-paths.rs
feature-gate-more-qualified-paths.stderr
feature-gate-multiple_supertrait_upcastable.rs
feature-gate-multiple_supertrait_upcastable.stderr
feature-gate-mut-ref.rs	Feature gate	2024-03-27 11:20:28 -04:00
feature-gate-mut-ref.stderr	Feature gate	2024-03-27 11:20:28 -04:00
feature-gate-naked_functions.rs
feature-gate-naked_functions.stderr
feature-gate-native_link_modifiers_as_needed.rs
feature-gate-native_link_modifiers_as_needed.stderr
feature-gate-needs-allocator.rs
feature-gate-needs-allocator.stderr
feature-gate-negate-unsigned.rs
feature-gate-negate-unsigned.stderr
feature-gate-negative_bounds.rs
feature-gate-negative_bounds.stderr
feature-gate-never_patterns.rs
feature-gate-never_patterns.stderr
feature-gate-never_type.rs
feature-gate-never_type.stderr
feature-gate-no_core.rs
feature-gate-no_core.stderr
feature-gate-no_sanitize.rs
feature-gate-no_sanitize.stderr
feature-gate-non_exhaustive_omitted_patterns_lint.rs
feature-gate-non_exhaustive_omitted_patterns_lint.stderr
feature-gate-non_lifetime_binders.rs
feature-gate-non_lifetime_binders.stderr
feature-gate-object_safe_for_dispatch.rs
feature-gate-object_safe_for_dispatch.stderr
feature-gate-offset-of-enum.rs
feature-gate-offset-of-enum.stderr
feature-gate-offset-of-nested.rs
feature-gate-offset-of-nested.stderr
feature-gate-omit-gdb-pretty-printer-section.rs
feature-gate-omit-gdb-pretty-printer-section.stderr
feature-gate-optimize_attribute.rs
feature-gate-optimize_attribute.stderr	ast: Generalize item kind visiting	2024-04-25 22:49:58 +03:00
feature-gate-overlapping_marker_traits.rs
feature-gate-overlapping_marker_traits.stderr
feature-gate-pattern-complexity.rs
feature-gate-pattern-complexity.stderr
feature-gate-postfix_match.rs	Add postfix-match experimental feature	2024-03-05 23:34:45 -05:00
feature-gate-postfix_match.stderr	Add postfix-match experimental feature	2024-03-05 23:34:45 -05:00
feature-gate-precise_pointer_size_matching.rs
feature-gate-precise_pointer_size_matching.stderr
feature-gate-precise-capturing.rs	Some ordering and duplication checks	2024-04-15 16:45:26 -04:00
feature-gate-precise-capturing.stderr	Some ordering and duplication checks	2024-04-15 16:45:26 -04:00
feature-gate-prelude_import.rs
feature-gate-prelude_import.stderr
feature-gate-profiler-runtime.rs
feature-gate-profiler-runtime.stderr
feature-gate-public_private_dependencies.rs
feature-gate-ref_pat_everywhere.rs	Address review comments	2024-04-02 10:57:54 -05:00
feature-gate-ref_pat_everywhere.stderr	Address review comments	2024-04-02 10:57:54 -05:00
feature-gate-register_tool.rs
feature-gate-register_tool.stderr
feature-gate-repr128.rs
feature-gate-repr128.stderr
feature-gate-repr-simd.rs
feature-gate-repr-simd.stderr
feature-gate-result_ffi_guarantees.rs	Put the RFC behind a feature gate result_ffi_guarantees	2024-04-23 21:30:59 -07:00
feature-gate-result_ffi_guarantees.stderr	Put the RFC behind a feature gate result_ffi_guarantees	2024-04-23 21:30:59 -07:00
feature-gate-return_type_notation.cfg.stderr
feature-gate-return_type_notation.no.stderr
feature-gate-return_type_notation.rs
feature-gate-rust_cold_cc.rs
feature-gate-rust_cold_cc.stderr
feature-gate-rustc_const_unstable.rs
feature-gate-rustc_const_unstable.stderr
feature-gate-rustc_encodable_decodable.rs	Remove RustcEncodable/Decodable from 2024 prelude	2024-03-22 13:30:48 -07:00
feature-gate-rustc_encodable_decodable.stderr	Remove RustcEncodable/Decodable from 2024 prelude	2024-03-22 13:30:48 -07:00
feature-gate-rustc-allow-const-fn-unstable.rs
feature-gate-rustc-allow-const-fn-unstable.stderr
feature-gate-rustc-attrs-1.rs
feature-gate-rustc-attrs-1.stderr
feature-gate-rustc-attrs.rs
feature-gate-rustc-attrs.stderr
feature-gate-rustdoc_internals.rs
feature-gate-rustdoc_internals.stderr
feature-gate-simd-ffi.rs
feature-gate-simd-ffi.stderr
feature-gate-simd.rs
feature-gate-simd.stderr
feature-gate-staged_api.rs
feature-gate-staged_api.stderr
feature-gate-start.rs
feature-gate-start.stderr
feature-gate-stmt_expr_attributes.rs
feature-gate-stmt_expr_attributes.stderr
feature-gate-strict_provenance.rs
feature-gate-strict_provenance.stderr
feature-gate-test_unstable_lint.rs
feature-gate-test_unstable_lint.stderr
feature-gate-thread_local.rs
feature-gate-thread_local.stderr
feature-gate-trace_macros.rs
feature-gate-trace_macros.stderr
feature-gate-trait_upcasting.rs
feature-gate-trait_upcasting.stderr
feature-gate-trait-alias.rs
feature-gate-trait-alias.stderr
feature-gate-transparent_unions.rs
feature-gate-transparent_unions.stderr
feature-gate-trivial_bounds-lint.rs
feature-gate-trivial_bounds.rs
feature-gate-trivial_bounds.stderr	Provide structured suggestion for #![feature(foo)]	2024-03-18 16:08:58 +00:00
feature-gate-try_blocks.rs
feature-gate-try_blocks.stderr
feature-gate-type_alias_impl_trait.rs
feature-gate-type_ascription.rs
feature-gate-type_ascription.stderr
feature-gate-unboxed-closures-manual-impls.rs
feature-gate-unboxed-closures-manual-impls.stderr	Merge collect_mod_item_types query into check_well_formed	2024-03-07 14:26:31 +00:00
feature-gate-unboxed-closures-method-calls.rs
feature-gate-unboxed-closures-method-calls.stderr
feature-gate-unboxed-closures-ufcs-calls.rs
feature-gate-unboxed-closures-ufcs-calls.stderr
feature-gate-unboxed-closures.rs
feature-gate-unboxed-closures.stderr
feature-gate-unnamed_fields.rs
feature-gate-unnamed_fields.stderr
feature-gate-unsafe_pin_internals.rs
feature-gate-unsafe_pin_internals.stderr
feature-gate-unsized_fn_params.rs
feature-gate-unsized_fn_params.stderr
feature-gate-unsized_locals.rs
feature-gate-unsized_locals.stderr
feature-gate-unsized_tuple_coercion.rs
feature-gate-unsized_tuple_coercion.stderr
feature-gate-used_with_arg.rs
feature-gate-used_with_arg.stderr
feature-gate-vectorcall.rs
feature-gate-vectorcall.stderr
feature-gate-wasm_abi.rs
feature-gate-wasm_abi.stderr
feature-gate-with_negative_coherence.rs
feature-gate-with_negative_coherence.stderr
feature-gate-yeet_expr-in-cfg.rs	Further cleanup cfgs in the UI test suite	2024-04-09 23:58:18 +02:00
feature-gate-yeet_expr-in-cfg.stderr
feature-gate-yeet_expr.rs
feature-gate-yeet_expr.stderr
feature-gated-feature-in-macro-arg.rs
feature-gated-feature-in-macro-arg.stderr
gated-bad-feature.rs
gated-bad-feature.stderr
issue-43106-gating-of-bench.rs
issue-43106-gating-of-bench.stderr
issue-43106-gating-of-builtin-attrs-error.rs
issue-43106-gating-of-builtin-attrs-error.stderr
issue-43106-gating-of-builtin-attrs.rs
issue-43106-gating-of-builtin-attrs.stderr
issue-43106-gating-of-deprecated.rs
issue-43106-gating-of-derive-2.rs
issue-43106-gating-of-derive-2.stderr
issue-43106-gating-of-derive.rs
issue-43106-gating-of-derive.stderr
issue-43106-gating-of-macro_escape.rs
issue-43106-gating-of-macro_escape.stderr
issue-43106-gating-of-macro_use.rs
issue-43106-gating-of-macro_use.stderr
issue-43106-gating-of-proc_macro_derive.rs
issue-43106-gating-of-proc_macro_derive.stderr
issue-43106-gating-of-stable.rs
issue-43106-gating-of-stable.stderr	ast: Generalize item kind visiting	2024-04-25 22:49:58 +03:00
issue-43106-gating-of-test.rs
issue-43106-gating-of-test.stderr
issue-43106-gating-of-unstable.rs
issue-43106-gating-of-unstable.stderr	ast: Generalize item kind visiting	2024-04-25 22:49:58 +03:00
issue-49983-see-issue-0.rs
issue-49983-see-issue-0.stderr
rustc-private.rs
rustc-private.stderr
soft-syntax-gates-with-errors.rs
soft-syntax-gates-with-errors.stderr
soft-syntax-gates-without-errors.rs
soft-syntax-gates-without-errors.stderr
stability-attribute-consistency.rs
stability-attribute-consistency.stderr
stable-features.rs
stable-features.stderr
test-listing-format-json.rs
test-listing-format-json.run.stderr
trace_macros-gate.rs
trace_macros-gate.stderr
unknown-feature.rs
unknown-feature.stderr
unstable-attribute-allow-issue-0.rs
unstable-attribute-allow-issue-0.stderr