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rust/compiler
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Esteban Küber 22bb4fe147 Detect cases where ? is applied on a type that could be coming from a different crate version than expected 
```
error[E0277]: `?` couldn't convert the error to `dependency::Error`
  --> replaced
   |
LL | fn main() -> Result<(), Error> {
   |              ----------------- expected `dependency::Error` because of this
...
LL |     Err(Error2)?;
   |     -----------^ the trait `From<Error2>` is not implemented for `dependency::Error`
   |     |
   |     this can't be annotated with `?` because it has type `Result<_, Error2>`
   |
   = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
help: the trait `From<Error2>` is not implemented for `dependency::Error`
      but trait `From<()>` is implemented for it
  --> replaced
   |
LL | impl From<()> for Error {
   | ^^^^^^^^^^^^^^^^^^^^^^^
   = help: for that trait implementation, expected `()`, found `Error2`
   = note: there are multiple different versions of crate `dependency` in the dependency graph
   = help: you can use `cargo tree` to explore your dependency tree
```

The existing checks rely on having access to the actual types/traits that diverged to detect they are called the same, come from different crates with the same name. The new check is less specific, merely looking to see if the crate name the involved type belongs has multiple crates.
2025-12-31 23:40:16 +00:00
..
rustc Auto merge of #148925 - madsmtm:jemalloc-perf, r=Kobzol 2025-11-23 20:34:07 +00:00
rustc_abi layout: Store inverse memory index in FieldsShape::Arbitrary 2025-12-18 22:25:34 +01:00
rustc_arena Handle bootstrap cfgs 2025-12-19 15:04:30 -08:00
rustc_ast Fix typo 2025-12-22 16:50:41 +01:00
rustc_ast_ir Implement &pin patterns and ref pin bindings 2025-11-10 09:57:08 +08:00
rustc_ast_lowering Rollup merge of #150098 - Bryntet:perf-testing, r=JonathanBrouwer 2025-12-22 17:33:36 +01:00
rustc_ast_passes hir/trait_sel: prohibit scalable vectors in types 2025-12-16 11:00:12 +00:00
rustc_ast_pretty rustdoc: handle macro expansions in types 2025-12-21 23:23:17 +08:00
rustc_attr_parsing Port #[cfi_encoding] to attribute parser 2025-12-21 22:11:33 +01:00
rustc_baked_icu_data Unify the configuration of the compiler docs 2025-11-05 11:25:27 +00:00
rustc_borrowck Auto merge of #148766 - cjgillot:mir-const-runtime-checks, r=RalfJung,saethlin 2025-12-22 06:58:28 +00:00
rustc_builtin_macros Rollup merge of #150160 - jdonszelmann:fix-149980, r=Kivooeo 2025-12-21 18:50:44 +01:00
rustc_codegen_cranelift Auto merge of #148766 - cjgillot:mir-const-runtime-checks, r=RalfJung,saethlin 2025-12-22 06:58:28 +00:00
rustc_codegen_gcc Merge commit '02f889aec5' 2025-12-21 00:13:38 +01:00
rustc_codegen_llvm Rollup merge of #146747 - a4lg:codegen-llvm-feature-float-tidying, r=petrochenkov 2025-12-20 13:45:59 +01:00
rustc_codegen_ssa Auto merge of #148766 - cjgillot:mir-const-runtime-checks, r=RalfJung,saethlin 2025-12-22 06:58:28 +00:00
rustc_const_eval Auto merge of #150187 - RalfJung:visitor-in-mem-order, r=nnethercote 2025-12-22 13:52:39 +00:00
rustc_data_structures Auto merge of #149273 - bjorn3:crate_locator_improvements, r=petrochenkov 2025-12-14 09:16:11 +00:00
rustc_driver Unify the configuration of the compiler docs 2025-11-05 11:25:27 +00:00
rustc_driver_impl Overhaul filename handling for cross-compiler consistency 2025-12-12 07:33:09 +01:00
rustc_error_codes Rollup merge of #149949 - JonathanBrouwer:error_cleanup, r=jdonszelmann 2025-12-14 20:04:56 +01:00
rustc_error_messages Remove unused pop_span_label method 2025-11-21 14:16:12 +00:00
rustc_errors remove fixme & update stderr files 2025-12-16 13:23:48 +00:00
rustc_expand Auto merge of #149709 - Urgau:overhaul-filenames, r=davidtwco 2025-12-13 14:32:09 +00:00
rustc_feature Auto merge of #150177 - matthiaskrgr:rollup-4cw3gdw, r=matthiaskrgr 2025-12-20 05:17:27 +00:00
rustc_fluent_macro move and rename proc_macro::tracked_{env::var,path::path} 2025-11-26 22:44:25 +01:00
rustc_fs_util Revert introduction of [workspace.dependencies]. 2025-09-02 19:12:54 +10:00
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 Port #[cfi_encoding] to attribute parser 2025-12-21 22:11:33 +01:00
rustc_hir_analysis Handle bootstrap cfgs 2025-12-19 15:04:30 -08:00
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 remove support for type-of 2025-11-25 10:19:44 +01:00
rustc_hir_typeck Rollup merge of #150121 - Zalathar:pin-pat, r=Nadrieril 2025-12-20 00:32:31 +11:00
rustc_incremental Unify the configuration of the compiler docs 2025-11-05 11:25:27 +00:00
rustc_index layout: Store inverse memory index in FieldsShape::Arbitrary 2025-12-18 22:25:34 +01:00
rustc_index_macros Revert introduction of [workspace.dependencies]. 2025-09-02 19:12:54 +10:00
rustc_infer Moved struct Placeholder<T> 2025-12-09 13:40:18 +00:00
rustc_interface Rollup merge of #150032 - Kivooeo:annotate-snippets-stable, r=Muscraft 2025-12-16 20:21:10 +01:00
rustc_lexer Update memchr to 2.7.6 2025-09-26 17:53:49 +02:00
rustc_lint Handle bootstrap cfgs 2025-12-19 15:04:30 -08:00
rustc_lint_defs Update compiler/rustc_lint_defs/src/builtin.rs 2025-12-19 15:04:30 -08:00
rustc_llvm feat: dlopen Enzyme 2025-12-16 00:31:32 +09:00
rustc_log Restrict sysroot crate imports to those defined in this repo. 2025-10-15 13:17:25 +01:00
rustc_macros Rollup merge of #149400 - Skgland:tracked_mod, r=Amanieu 2025-12-09 17:36:48 +01:00
rustc_metadata Detect cases where ? is applied on a type that could be coming from a different crate version than expected 2025-12-31 23:40:16 +00:00
rustc_middle Detect cases where ? is applied on a type that could be coming from a different crate version than expected 2025-12-31 23:40:16 +00:00
rustc_mir_build Auto merge of #148766 - cjgillot:mir-const-runtime-checks, r=RalfJung,saethlin 2025-12-22 06:58:28 +00:00
rustc_mir_dataflow Introduce Operand::RuntimeChecks. 2025-12-14 17:25:53 +00:00
rustc_mir_transform Auto merge of #148766 - cjgillot:mir-const-runtime-checks, r=RalfJung,saethlin 2025-12-22 06:58:28 +00:00
rustc_monomorphize mono: require target feature for scalable vectors 2025-12-16 11:01:26 +00:00
rustc_next_trait_solver revert one change from rustc_next_trait_solver 2025-12-12 17:55:26 +00:00
rustc_parse Auto merge of #146348 - jdonszelmann:eiiv3, r=lcnr,oli-obk 2025-12-14 04:20:26 +00:00
rustc_parse_format Allow internal_features lint in doc tests 2025-11-05 11:25:29 +00:00
rustc_passes Port #[cfi_encoding] to attribute parser 2025-12-21 22:11:33 +01:00
rustc_pattern_analysis change non-canonical clone impl to {*self}, fix some doc comments 2025-12-20 13:46:22 +00:00
rustc_privacy Unify the configuration of the compiler docs 2025-11-05 11:25:27 +00:00
rustc_proc_macro Revert introduction of [workspace.dependencies]. 2025-09-02 19:12:54 +10:00
rustc_public Auto merge of #148766 - cjgillot:mir-const-runtime-checks, r=RalfJung,saethlin 2025-12-22 06:58:28 +00:00
rustc_public_bridge Overhaul filename handling for cross-compiler consistency 2025-12-12 07:33:09 +01:00
rustc_query_impl Lock shards while collecting active jobs. 2025-11-14 09:01:22 +08:00
rustc_query_system Also check in case it tries to mark red node as green 2025-12-12 16:44:17 +03:00
rustc_resolve Rollup merge of #150155 - Aditya-PS-05:fix/ice-150103-root-in-suggestions, r=estebank 2025-12-22 17:33:37 +01:00
rustc_sanitizers Port #[cfi_encoding] to attribute parser 2025-12-21 22:11:33 +01:00
rustc_serialize Allow internal_features lint in doc tests 2025-11-05 11:25:29 +00:00
rustc_session Avoid unhelpful suggestion when crate name is invalid 2025-12-16 20:43:26 -08:00
rustc_span Rollup merge of #149989 - Urgau:filenames-post-improvements, r=davidtwco 2025-12-19 23:38:58 +01:00
rustc_symbol_mangling Rollup merge of #148452 - Fulgen301:pdb-large-symbols-v0, r=jackh726 2025-11-26 23:32:05 +11:00
rustc_target Rollup merge of #149512 - adamgemmell:dev/adagem01/armv7-d32-fix, r=Amanieu 2025-12-21 21:16:33 +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 Detect cases where ? is applied on a type that could be coming from a different crate version than expected 2025-12-31 23:40:16 +00:00
rustc_traits add const_of_item query and use it in normalization 2025-11-08 13:50:47 -05:00
rustc_transmute layout: Store inverse memory index in FieldsShape::Arbitrary 2025-12-18 22:25:34 +01:00
rustc_ty_utils layout: Store inverse memory index in FieldsShape::Arbitrary 2025-12-18 22:25:34 +01:00
rustc_type_ir Rollup merge of #150033 - izagawd:try_as_dyn, r=oli-obk 2025-12-16 20:21:10 +01:00
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