Nicholas Nethercote d944ea10e6 Remove WithCachedTypeInfo::stable_hash. ...

We store a stable hash value in the most common interned values (e.g.
types, predicates, regions). This is 16 bytes of data.

- In non-incremental builds it's a straightforward performance loss: the
  stable hash isn't computed or used, and the 16 bytes of space goes to
  waste (but it still gets hashed when interning).

- In incremental builds it avoids some hashing but doesn't seem to
  actually be a genuine performance win, and the complexity doesn't seem
  worth it.

2026-04-23 12:13:19 +10:00

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auxiliary

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opt

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associated-const-bindings.rs

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associated-types.rs

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basic-stepping.rs

tests/debuginfo/basic-stepping.rs: Remove FIXME related to ZSTs

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basic-types-globals-metadata.rs

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basic-types-globals.rs

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basic-types-metadata.rs

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basic-types-mut-globals.rs

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basic-types.rs

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borrowed-basic.rs

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borrowed-c-style-enum.rs

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borrowed-enum.rs

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borrowed-struct.rs

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borrowed-tuple.rs

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borrowed-unique-basic.rs

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box.rs

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boxed-struct.rs

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by-value-non-immediate-argument.rs

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by-value-self-argument-in-trait-impl.rs

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c-style-enum-in-composite.rs

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c-style-enum.rs

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captured-fields-1.rs

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captured-fields-2.rs

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closure-in-generic-function.rs

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closures.rs

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collapse-debuginfo-external-attr.rs

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collapse-debuginfo-external-flag-overriden-by-attr.rs

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collapse-debuginfo-external-flag.rs

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collapse-debuginfo-in-non-collapse-macro.rs

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collapse-debuginfo-no-attr.rs

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collapse-debuginfo-static-external.rs

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collapse-debuginfo-static.rs

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collapse-debuginfo-with-attr-flag.rs

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collapse-debuginfo-with-attr.rs

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collapse-debuginfo-with-yes-flag.rs

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constant-debug-locs.rs

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constant-in-match-pattern.rs

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constant-ordering-prologue.rs

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coroutine-closure.rs

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coroutine-locals.rs

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coroutine-objects.rs

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cross-crate-spans.rs

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cross-crate-type-uniquing.rs

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destructured-fn-argument.rs

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destructured-for-loop-variable.rs

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destructured-local.rs

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drop-locations.rs

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dummy_span.rs

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duration-type.rs

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embedded-visualizer-point.natvis

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embedded-visualizer-point.py

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embedded-visualizer.natvis

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embedded-visualizer.py

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embedded-visualizer.rs

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empty-string.rs

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enum-thinlto.rs

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evec-in-struct.rs

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extern-c-fn.rs

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f16-natvis.rs

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fixed-sized-array.rs

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fn_ptr.rs

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function-arg-initialization.rs

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function-arguments.rs

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function-call.rs

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function-names.rs

Remove WithCachedTypeInfo::stable_hash.

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function-prologue-stepping-regular.rs

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gdb-char.rs

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gdb-pretty-struct-and-enums.rs

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generic-enum-with-different-disr-sizes.rs

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generic-function.rs

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generic-functions-nested.rs

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generic-method-on-generic-struct.rs

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generic-static-method-on-struct-and-enum.rs

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generic-struct-style-enum.rs

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generic-struct.rs

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generic-tuple-style-enum.rs

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include_string.rs

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issue-7712.rs

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issue-12886.rs

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issue-13213.rs

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issue-14411.rs

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issue-22656.rs

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issue-57822.rs

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lexical-scope-in-for-loop.rs

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lexical-scope-in-if-let.rs

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lexical-scope-in-if.rs

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lexical-scope-in-match.rs

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lexical-scope-in-parameterless-closure.rs

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lexical-scope-in-stack-closure.rs

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lexical-scope-in-unconditional-loop.rs

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lexical-scope-in-unique-closure.rs

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lexical-scope-in-while.rs

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lexical-scope-with-macro.rs

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lexical-scopes-in-block-expression.rs

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limited-debuginfo.rs

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macro-stepping.inc

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macro-stepping.rs

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marker-types.rs

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method-on-enum.rs

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method-on-generic-struct.rs

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method-on-struct.rs

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method-on-trait.rs

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method-on-tuple-struct.rs

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msvc-pretty-enums.rs

Rename #[rustc_layout] to #[rustc_dump_layout]

2026-04-10 12:13:48 +02:00

msvc-scalarpair-params.rs

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multi-byte-chars.rs

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multi-cgu.rs

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multiline-calls.rs

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multiple-functions-equal-var-names.rs

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multiple-functions.rs

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mutable-locs.rs

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mutex.rs

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name-shadowing-and-scope-nesting.rs

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no_mangle-info.rs

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numeric-types.rs

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option-like-enum.rs

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packed-struct-with-destructor.rs

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packed-struct.rs

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path.rs

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pretty-huge-vec.rs

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pretty-slices.rs

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pretty-std-collections-hash.rs

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pretty-std-collections.rs

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pretty-std.rs

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pretty-uninitialized-vec.rs

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range-types.rs

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rc_arc.rs

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recursive-enum.rs

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recursive-struct.rs

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recursive-type-with-gat.rs

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reference-debuginfo.rs

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regression-bad-location-list-67992.rs

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result-types.rs

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rwlock-read.rs

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rwlock-write.rs

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self-in-default-method.rs

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self-in-generic-default-method.rs

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shadowed-argument.rs

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shadowed-variable.rs

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should-fail.rs

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simd.rs

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simple-lexical-scope.rs

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simple-struct.rs

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simple-tuple.rs

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skip_second_statement_collapse.rs

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skip_second_statement.rs

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static-method-on-struct-and-enum.rs

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step-into-match.rs

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strings-and-strs.rs

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struct-in-enum.rs

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struct-in-struct.rs

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struct-namespace.rs

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struct-style-enum.rs

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struct-with-destructor.rs

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text-to-include-1.txt

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text-to-include-2.txt

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text-to-include-3.txt

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thread-names.rs

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thread.rs

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trait-pointers.rs

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tuple-in-struct.rs

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tuple-in-tuple.rs

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tuple-struct.rs

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tuple-style-enum.rs

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type-names.cdb.js

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type-names.rs

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union-smoke.rs

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unique-enum.rs

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unit-type.rs

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unreachable-locals.rs

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unsafe-binders.rs

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unsized.rs

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var-captured-in-nested-closure.rs

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var-captured-in-sendable-closure.rs

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var-captured-in-stack-closure.rs

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vec-slices.rs

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vec.rs

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zst-interferes-with-prologue.rs

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