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Jonathan Brouwer 98ae26c830
Rollup merge of #152234 - BoxyUwU:dont_strip_const_blocks, r=oli-obk 
Dont strip const blocks in array lengths

r? oli-obk

mGCA now handles const blocks by *always* handling them during `lower_expr_to_const_arg_direct` instead of *sometimes* stripping them out at parse time. This is just generally a lot clearer/nicer but also means parsing isn't lossy which is just straight up wrong.

We now use `MgcaDisambiguation::Direct` for const blocks because we "directly" represent a const block as `hir::ConstArgKind::Anon` :> The only time that an anon const for const generics uses `MgcaDisambiguation::AnonConst` is for unbraced literals.

Once we properly support literals in `hir::ConstArgKind` (see rust-lang/rust#152139 rust-lang/rust#152001) then `MgcaDisambiguation` can be renamed to `AnonConstKind` with `TypeSystem` and `NonTypeSystem` variants. We can also get rid of `mgca_direct_lit_hack`. I expect this to be a very nice cleanup :)

Fixes rust-lang/rustfmt#6788

The diff relating to passing spans around is to avoid a bunch of mGCA diagnostics changing from  `const {}` to `{}`. I'm not entirely sure why this was happening.

cc @rust-lang/rustfmt

How do I run the tests in the rustfmt repo from here? `x test rustfmt` only seems to run like 100 tests and doesn't result in a `target/issue-6788.rs` getting created. I've verified locally that this formats correctly though
2026-02-07 01:18:54 +01:00
..
rustc Return ExitCode from rustc_driver::main 2026-01-23 21:04:27 +00:00
rustc_abi extract TyAndLayout::peel_transparent_wrappers helper 2026-02-06 01:04:02 +01:00
rustc_arena Remove unused method DroplessArena::contains_slice 2026-01-31 22:56:49 +11:00
rustc_ast Handle unbalanced delimiters gracefully in make_attr_token_stream 2026-02-01 13:16:32 +00:00
rustc_ast_ir Implement &pin patterns and ref pin bindings 2025-11-10 09:57:08 +08:00
rustc_ast_lowering Rollup merge of #152234 - BoxyUwU:dont_strip_const_blocks, r=oli-obk 2026-02-07 01:18:54 +01:00
rustc_ast_passes Convert to inline diagnostics in rustc_ast_passes 2026-02-05 12:08:42 +01:00
rustc_ast_pretty Fix missing syntax context in lifetime hygiene debug output 2026-01-29 12:07:01 +00:00
rustc_attr_parsing Rollup merge of #152184 - Ozzy1423:attrs3, r=jdonszelmann 2026-02-06 10:06:47 +01:00
rustc_baked_icu_data Unify the configuration of the compiler docs 2025-11-05 11:25:27 +00:00
rustc_borrowck Rollup merge of #152107 - JonathanBrouwer:convert_borrowck, r=lqd 2026-02-06 10:06:43 +01:00
rustc_builtin_macros Rollup merge of #151278 - estebank:issue-108894, r=davidtwco 2026-02-06 10:25:43 +08:00
rustc_codegen_cranelift Convert to inline diagnostics in all codegen backends 2026-02-04 13:12:49 +00:00
rustc_codegen_gcc Convert to inline diagnostics in all codegen backends 2026-02-04 13:12:49 +00:00
rustc_codegen_llvm Rollup merge of #151955 - usamoi:escape, r=davidtwco 2026-02-06 10:25:44 +08:00
rustc_codegen_ssa Rollup merge of #152140 - bjorn3:driver_fixed_error_codes, r=jdonszelmann 2026-02-06 10:06:45 +01:00
rustc_const_eval Convert to inline diagnostics in rustc_const_eval 2026-02-06 22:55:58 +01:00
rustc_data_structures Make HashingControls impl Copy. 2026-02-06 09:18:18 +11:00
rustc_driver Unify the configuration of the compiler docs 2025-11-05 11:25:27 +00:00
rustc_driver_impl Rollup merge of #152186 - GuillaumeGomez:inline-diag-rustc_const_eval, r=JonathanBrouwer 2026-02-07 01:18:53 +01:00
rustc_error_codes Fix tidy formatting manually for E0423.md 2026-01-31 10:46:58 +05:30
rustc_error_messages Register functions in translation 2026-02-05 16:58:48 +01:00
rustc_errors Rollup merge of #152140 - bjorn3:driver_fixed_error_codes, r=jdonszelmann 2026-02-06 10:06:45 +01:00
rustc_expand Convert to inline diagnostics in rustc_expand 2026-02-04 16:16:16 +01:00
rustc_feature fix issues and ui tests, address reviews 2026-01-30 15:59:34 +00:00
rustc_fluent_macro Bump stage0 2026-01-21 20:03:56 -05:00
rustc_fs_util Avoid using env::temp when linking a binary 2025-12-24 06:41:42 +00:00
rustc_graphviz change non-canonical clone impl to {*self}, fix some doc comments 2025-12-20 13:46:22 +00:00
rustc_hashes some cleanups in compiler 2025-10-12 08:08:30 +00:00
rustc_hir Rollup merge of #152139 - khyperia:mgca-negative-literals, r=BoxyUwU 2026-02-06 18:04:40 +01:00
rustc_hir_analysis Auto merge of #152239 - JonathanBrouwer:rollup-2BolGX5, r=JonathanBrouwer 2026-02-06 18:42:38 +00:00
rustc_hir_id rustc_hir_id: Add a comment explaining why the crate exists 2025-08-20 15:04:00 -07:00
rustc_hir_pretty mGCA: Support directly represented negated literals 2026-02-06 14:04:55 +01:00
rustc_hir_typeck Transform args for inherent type_consts in instantiate_value_path 2026-02-06 14:44:02 +09:00
rustc_incremental Port rustc_if_this_changed/rustc_then_this_would_need to attr parser 2026-02-04 21:00:36 +00:00
rustc_index simplify words initialization using Rc::new_zeroed 2026-01-16 04:25:12 +05:30
rustc_index_macros Revert introduction of [workspace.dependencies]. 2025-09-02 19:12:54 +10:00
rustc_infer Convert to inline diagnostics in rustc_infer 2026-02-03 15:14:49 +01:00
rustc_interface Rollup merge of #152140 - bjorn3:driver_fixed_error_codes, r=jdonszelmann 2026-02-06 10:06:45 +01:00
rustc_lexer Remove rustc_lexer::cursor module. 2026-01-27 12:06:55 +11:00
rustc_lint Move remaining doc attribute parsing errors to warnings 2026-02-04 10:54:45 +01:00
rustc_lint_defs Move remaining doc attribute parsing errors to warnings 2026-02-04 10:54:45 +01:00
rustc_llvm Rollup merge of #150780 - fzakaria:fzakaria/section-threshold, r=jackh726 2026-01-23 11:07:55 +01:00
rustc_log Restrict sysroot crate imports to those defined in this repo. 2025-10-15 13:17:25 +01:00
rustc_macros Incorporate query description functions into QueryVTable 2026-02-05 18:41:34 +11:00
rustc_metadata Rollup merge of #152139 - khyperia:mgca-negative-literals, r=BoxyUwU 2026-02-06 18:04:40 +01:00
rustc_middle Rollup merge of #152000 - lapla-cogito:ice_151027, r=BoxyUwU 2026-02-06 15:33:40 +01:00
rustc_mir_build Convert to inline diagnostics in rustc_mir_build 2026-02-06 22:21:27 +01:00
rustc_mir_dataflow Convert to inline diagnostics in rustc_mir_dataflow 2026-02-03 23:25:59 +01:00
rustc_mir_transform Auto merge of #152096 - bjorn3:mir_encoding_cleanups, r=oli-obk 2026-02-05 15:30:48 +00:00
rustc_monomorphize Auto merge of #152096 - bjorn3:mir_encoding_cleanups, r=oli-obk 2026-02-05 15:30:48 +00:00
rustc_next_trait_solver Part 2 refactoring of moving placeholder types to rustc_type_ir 2026-01-29 11:11:40 +00:00
rustc_parse keep const blocks around 2026-02-06 19:36:39 +00:00
rustc_parse_format Rollup merge of #151013 - ehuss:fmt-clarification, r=joboet 2026-01-28 19:03:51 +11:00
rustc_passes Convert to inline diagnostics in rustc_passes 2026-02-06 13:31:54 +01:00
rustc_pattern_analysis Convert to inline diagnostics in rustc_pattern_analysis 2026-02-05 12:13:25 +01:00
rustc_privacy Port rustc_effective_visibility to the new attribute parser 2026-02-05 15:33:23 +01:00
rustc_proc_macro Update literal-escaper version to 0.0.7 2026-01-08 14:10:33 +01:00
rustc_public Rollup merge of #150271 - Jamesbarford:chore/refactor-struct-placeholder-pt2, r=lcnr 2026-01-29 17:47:29 +01:00
rustc_public_bridge Overhaul filename handling for cross-compiler consistency 2025-12-12 07:33:09 +01:00
rustc_query_impl Rollup merge of #152153 - Zalathar:descs, r=nnethercote 2026-02-05 12:16:58 +01:00
rustc_query_system Move some impls. 2026-02-06 09:18:18 +11:00
rustc_resolve Remove Resolver::create_stable_hashing_context. 2026-02-06 09:18:18 +11:00
rustc_sanitizers Include assoc const projections in CFI trait object 2026-02-01 22:45:43 +08:00
rustc_serialize Allow internal_features lint in doc tests 2025-11-05 11:25:29 +00:00
rustc_session Rollup merge of #152140 - bjorn3:driver_fixed_error_codes, r=jdonszelmann 2026-02-06 10:06:45 +01:00
rustc_span Remove rustc_span::HashStableContext::hash_spans. 2026-02-06 09:18:18 +11:00
rustc_symbol_mangling Fix v0 symbol mangling for assoc const bindings 2026-01-21 12:53:45 +01:00
rustc_target Rollup merge of #151534 - davidtwco:destabilise-target-spec-json-again, r=chenyukang 2026-02-04 14:39:17 +01:00
rustc_thread_pool change non-canonical clone impl to {*self}, fix some doc comments 2025-12-20 13:46:22 +00:00
rustc_trait_selection Rollup merge of #152000 - lapla-cogito:ice_151027, r=BoxyUwU 2026-02-06 15:33:40 +01:00
rustc_traits implied bounds comments 2026-01-19 16:08:54 +00:00
rustc_transmute Clean up src/dst transmute mess. 2026-01-12 09:22:58 +11:00
rustc_ty_utils Convert to inline diagnostics in rustc_ty_utils 2026-02-03 21:32:03 +01:00
rustc_type_ir Part 2 refactoring of moving placeholder types to rustc_type_ir 2026-01-29 11:11:40 +00:00
rustc_type_ir_macros Provide an extended framework for type visit, for use in rust-analyzer 2025-12-16 01:47:28 +02:00
rustc_windows_rc [win] Use find-msvc-tools instead of cc to find the linker and rc on Windows 2025-09-19 12:00:30 -07:00