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Trevor Gross c93fac7d64
Rollup merge of #142485 - mu001999-contrib:dead-code/adt-pattern, r=petrochenkov 
Marks ADT live if it appears in pattern

Marks ADT live if it appears in pattern, it implies the construction of the ADT.
1. Then we can detect unused private ADTs impl `Default`, without special logics for `Default` and other std traits.
2. We can also remove `rustc_trivial_field_reads` on `Default`, and the logic in `should_ignore_item` (introduced by rust-lang/rust#126302).

Fixes rust-lang/rust#120770

Extracted from rust-lang/rust#128637.
r? `@petrochenkov`
2025-06-20 23:25:55 -04:00
..
add_private_fn_at_krate_root_cc [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
auxiliary Update tests to use new proc-macro header 2024-11-27 07:18:25 -08:00
callee_caller_cross_crate [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_add_field [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_crate_order [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_implementation_cross_crate [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_private_fn [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_private_fn_cc [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_private_impl_method [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_private_impl_method_cc [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_pub_inherent_method_body [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_pub_inherent_method_sig [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
const-generics Remove manual WF hack 2025-05-07 16:29:59 +00:00
env Test that env! works with incremental compilation 2025-03-26 14:28:10 +01:00
extern_static [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
hashes tests: bless remaining tests 2025-06-16 23:04:35 +00:00
hygiene fixup some test directives 2024-11-17 22:15:54 +00:00
inlined_hir_34991 [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-39828 [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-49595 compiletest: Support matching on non-json lines in compiler output 2025-05-04 18:27:45 +03:00
issue-85197-invalid-span Update tests to use new proc-macro header 2024-11-27 07:18:25 -08:00
issue-92163-missing-sourcefile [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-110457-same-span-closures Update tests to use new proc-macro header 2024-11-27 07:18:25 -08:00
krate_reassign_34991 [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
link_order UI tests: migrate remaining compile time error-patterns to line annotations 2025-04-13 21:48:53 +03:00
remapped_paths_cc [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
remove-private-item-cross-crate [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
remove_crate [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
remove_source_file [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
rlib_cross_crate [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
span_hash_stable [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
static_cycle [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
static_refering_to_other_static [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
static_refering_to_other_static2 [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
static_refering_to_other_static3 [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
static_stable_hash [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
struct_change_field_type_cross_crate [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
thinlto compiletest: Support matching on non-json lines in compiler output 2025-05-04 18:27:45 +03:00
type_alias_cross_crate [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
async-lifetimes.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
cache_file_headers.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_crate_dep_kind.rs Update test directives for wasm32-wasip1 2024-03-11 09:36:35 -07:00
change_name_of_static_in_fn.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
change_symbol_export_status.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
circular-dependencies.rs compiletest: Do not require annotations on empty labels and suggestions 2025-05-03 22:49:23 +03:00
commandline-args.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
const-generic-type-cycle.rs UI tests: migrate remaining compile time error-patterns to line annotations 2025-04-13 21:48:53 +03:00
crate_hash_reorder.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
cyclic-trait-hierarchy.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
decl_macro.rs use old ctx if has same expand environment during decode span 2024-07-05 01:00:13 +08:00
define-opaques.rs Ensure define_opaque is accounted for in HIR hash 2025-03-26 00:15:34 +00:00
delayed_span_bug.rs UI tests: migrate remaining compile time error-patterns to line annotations 2025-04-13 21:48:53 +03:00
dirty_clean.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
feature_gate.rs tests: error strings for ABI stability now match 2025-02-09 20:45:47 -08:00
foreign.rs Update tests/incremental/foreign.rs 2024-05-20 11:13:10 -04:00
hash-module-order.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
hello_world.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
ich_method_call_trait_scope.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
ich_nested_items.rs compiletest: Support matching on non-json lines in compiler output 2025-05-04 18:27:45 +03:00
ich_resolve_results.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
incremental_proc_macro.rs compiletest: Support matching on non-json lines in compiler output 2025-05-04 18:27:45 +03:00
issue-35593.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-38222.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-39569.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-42602.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-49043.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-49482.rs Update tests to use new proc-macro header 2024-11-27 07:18:25 -08:00
issue-51409.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-54059.rs Update tests to use new proc-macro header 2024-11-27 07:18:25 -08:00
issue-54242.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-59523-on-implemented-is-not-unused.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-59524-layout-scalar-valid-range-is-not-unused.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-60629.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-61323.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-61530.rs remove most simd_ intrinsic declaration in tests 2025-02-27 12:22:59 +01:00
issue-62649-path-collisions-happen.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-69596.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-72386.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-79661-missing-def-path-hash.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-79890-imported-crates-changed.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-80336-invalid-span.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-80691-bad-eval-cache.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-82920-predicate-order-miscompile.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-84252-global-alloc.rs compiletest: Support matching on non-json lines in compiler output 2025-05-04 18:27:45 +03:00
issue-85360-eval-obligation-ice.rs compiletest: Support matching on non-json lines in compiler output 2025-05-04 18:27:45 +03:00
issue-86753.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-92987-provisional-dep-node.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-96319-coinductive-cycle.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-100521-change-struct-name-assocty.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-101518.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
issue-108481-feed-eval-always.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
krate-inherent.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
krate-inlined.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
lto-in-linker.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
lto.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
macro_export.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
mir-opt.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
no_mangle.rs compiletest: Support matching on non-json lines in compiler output 2025-05-04 18:27:45 +03:00
overlapping-impls-in-new-solver-issue-135514.rs add test for issue 135514 2025-01-15 08:26:23 +00:00
print-dep-node-cycle.rs Add a test to reproduce ICE 2025-06-03 20:56:45 +00:00
reorder_vtable.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
rlib-lto.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
rustc-rust-log.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
slice-pattern-const-ice-83085.rs add test for incremental ICE: slice-pattern-const.rs #83085 2024-04-21 14:45:00 +02:00
source_loc_macros.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
spans_in_type_debuginfo.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
spans_significant_w_debuginfo.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
spans_significant_w_panic.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
spike-neg1.rs Add missing -Zquery-dep-graph to the spike-neg incr comp tests 2024-04-06 13:36:16 +00:00
spike-neg2.rs Add missing -Zquery-dep-graph to the spike-neg incr comp tests 2024-04-06 13:36:16 +00:00
spike.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
split_debuginfo_cached.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
split_debuginfo_mode.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
string_constant.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
struct_add_field.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
struct_change_field_name.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
struct_change_field_type.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
struct_change_nothing.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
struct_remove_field.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
track-deps-in-new-solver.rs Marks ADT live if it appears in pattern 2025-06-14 13:44:43 +08:00
unchecked_dirty_clean.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00
unrecoverable_query.rs compiletest: Support matching on non-json lines in compiler output 2025-05-04 18:27:45 +03:00
user-written-closure-synthetic-closure-conflict.rs Encode synthetic by-move coroutine body with a different DefPathData 2025-03-30 22:53:21 +00:00
warnings-reemitted.rs [AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives 2024-02-22 16:04:04 +00:00