Esteban Küber e6bd6c2044 Use parenthetical notation for Fn traits ...

Always use the `Fn(T) -> R` format when printing closure traits instead of `Fn<(T,), Output = R>`.

Fix #67100:

```
error[E0277]: expected a `Fn()` closure, found `F`
 --> file.rs:6:13
  |
6 |     call_fn(f)
  |     ------- ^ expected an `Fn()` closure, found `F`
  |     |
  |     required by a bound introduced by this call
  |
  = note: wrap the `F` in a closure with no arguments: `|| { /* code */ }`
note: required by a bound in `call_fn`
 --> file.rs:1:15
  |
1 | fn call_fn<F: Fn() -> ()>(f: &F) {
  |               ^^^^^^^^^^ required by this bound in `call_fn`
help: consider further restricting this bound
  |
5 | fn call_any<F: std::any::Any + Fn()>(f: &F) {
  |                              ++++++
```

2024-05-29 22:26:54 +00:00

..

auxiliary

bless tests

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const_derives

Merge collect_mod_item_types query into check_well_formed

2024-03-07 14:26:31 +00:00

effects

Bless test fallout (duplicate diagnostics)

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specialization

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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assoc-type-const-bound-usage-0.qualified.stderr

Allow ~const on assoc ty bounds again

2024-01-12 17:22:18 +01:00

assoc-type-const-bound-usage-0.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

2024-02-16 20:02:50 +00:00

assoc-type-const-bound-usage-1.qualified.stderr

Allow ~const on assoc ty bounds again

2024-01-12 17:22:18 +01:00

assoc-type-const-bound-usage-1.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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assoc-type.rs

Allow ~const on assoc ty bounds again

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assoc-type.stderr

Allow ~const on assoc ty bounds again

2024-01-12 17:22:18 +01:00

attr-misuse.rs

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attr-misuse.stderr

Merge attrs, better validation

2023-06-20 04:38:55 +00:00

call-const-trait-method-fail.rs

bless tests

2023-08-06 13:34:53 +00:00

call-const-trait-method-fail.stderr

Print constness in TraitPredPrintModifiersAndPath

2023-12-09 17:55:07 +00:00

call-const-trait-method-pass.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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call-const-trait-method-pass.stderr

Provide structured suggestion for #![feature(foo)]

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call-generic-in-impl.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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call-generic-method-chain.rs

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call-generic-method-dup-bound.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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call-generic-method-fail.rs

Restore const PartialEq

2023-12-10 09:30:07 +00:00

call-generic-method-fail.stderr

Restore const PartialEq

2023-12-10 09:30:07 +00:00

call-generic-method-nonconst-bound.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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call-generic-method-nonconst.rs

Pretty-print always-const trait predicates correctly

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call-generic-method-nonconst.stderr

Pretty-print always-const trait predicates correctly

2024-01-01 14:02:42 +01:00

call-generic-method-pass.rs

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call.rs

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const-and-non-const-impl.rs

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const-and-non-const-impl.stderr

bless tests

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const-bound-on-not-const-associated-fn.rs

Deny more ~const trait bounds

2023-11-12 00:00:12 +01:00

const-bound-on-not-const-associated-fn.stderr

Add Span to TraitBoundModifier

2023-11-24 14:32:05 +00:00

const-bounds-non-const-trait.rs

Introduce const Trait (always-const trait bounds)

2023-12-27 12:51:32 +01:00

const-bounds-non-const-trait.stderr

Introduce const Trait (always-const trait bounds)

2023-12-27 12:51:32 +01:00

const-check-fns-in-const-impl.rs

bless tests

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const-check-fns-in-const-impl.stderr

Show number in error message even for one error

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const-closure-parse-not-item.rs

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const-closure-parse-not-item.stderr

Bless test fallout (duplicate diagnostics)

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const-closure-trait-method-fail.rs

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const-closure-trait-method-fail.stderr

Use parenthetical notation for Fn traits

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const-closure-trait-method.rs

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const-closure-trait-method.stderr

Use parenthetical notation for Fn traits

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const-closures.rs

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const-closures.stderr

Use parenthetical notation for Fn traits

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const-default-method-bodies.rs

bless tests

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const-default-method-bodies.stderr

Print constness in TraitPredPrintModifiersAndPath

2023-12-09 17:55:07 +00:00

const-drop-bound.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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const-drop-bound.stderr

Show number in error message even for one error

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const-drop-fail-2.precise.stderr

Introduce const Trait (always-const trait bounds)

2023-12-27 12:51:32 +01:00

const-drop-fail-2.rs

Further cleanup cfgs in the UI test suite

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const-drop-fail-2.stderr

Show number in error message even for one error

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const-drop-fail-2.stock.stderr

Introduce const Trait (always-const trait bounds)

2023-12-27 12:51:32 +01:00

const-drop-fail.precise.stderr

Always evaluate free constants and statics, even if previous errors occurred

2024-02-19 22:11:13 +00:00

const-drop-fail.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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const-drop-fail.stock.stderr

Show number in error message even for one error

2023-11-24 19:15:52 +01:00

const-drop.precise.stderr

Always evaluate free constants and statics, even if previous errors occurred

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const-drop.rs

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const-drop.stock.stderr

Always evaluate free constants and statics, even if previous errors occurred

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const-fns-are-early-bound.rs

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const-impl-norecover.rs

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const-impl-norecover.stderr

Show number in error message even for one error

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const-impl-recovery.rs

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const-impl-recovery.stderr

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const-impl-requires-const-trait.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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const-impl-requires-const-trait.stderr

Avoid silencing relevant follow-up errors

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const-impl-trait.rs

Stabilize associated type bounds

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const-impl-trait.stderr

Stabilize associated type bounds

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const-trait-bounds-trait-objects.rs

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const-trait-bounds-trait-objects.stderr

Don't synthesize host effect args inside trait object types

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const-trait-bounds.rs

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cross-crate-default-method-body-is-const.rs

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cross-crate.gatednc.stderr

Print constness in TraitPredPrintModifiersAndPath

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cross-crate.rs

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cross-crate.stock.stderr

Provide structured suggestion for #![feature(foo)]

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cross-crate.stocknc.stderr

Provide structured suggestion for #![feature(foo)]

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default-method-body-is-const-body-checking.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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default-method-body-is-const-same-trait-ck.rs

Effects: don't print host param in diagnostics

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default-method-body-is-const-same-trait-ck.stderr

Print constness in TraitPredPrintModifiersAndPath

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default-method-body-is-const-with-staged-api.rs

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do-not-const-check-override.rs

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do-not-const-check.rs

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feature-gate.gated.stderr

Introduce const Trait (always-const trait bounds)

2023-12-27 12:51:32 +01:00

feature-gate.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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feature-gate.stock.stderr

Bless tests

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function-pointer-does-not-require-const.rs

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gate.rs

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gate.stderr

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generic-bound.rs

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generic-bound.stderr

Provide structured suggestion for #![feature(foo)]

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hir-const-check.rs

bless tests

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hir-const-check.stderr

Bless tests

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impl-tilde-const-trait.rs

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impl-tilde-const-trait.stderr

Show number in error message even for one error

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impl-with-default-fn-fail.rs

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impl-with-default-fn-fail.stderr

Show number in error message even for one error

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impl-with-default-fn-pass.rs

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inherent-impl-const-bounds.rs

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inherent-impl.rs

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inherent-impl.stderr

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issue-79450.rs

bless ui tests

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issue-79450.stderr

Show number in error message even for one error

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issue-88155.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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issue-88155.stderr

Provide structured suggestion for #![feature(foo)]

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issue-92111.rs

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issue-92111.stderr

Show number in error message even for one error

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issue-92230-wf-super-trait-env.rs

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issue-100222.rs

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issue-102156.rs

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issue-102156.stderr

When failing to import core, suggest std

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issue-102985.rs

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issue-102985.stderr

Provide structured suggestion for #![feature(foo)]

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issue-103677.rs

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match-non-const-eq.gated.stderr

Provide structured suggestion for #![feature(foo)]

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match-non-const-eq.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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match-non-const-eq.stock.stderr

Provide structured suggestion for #![feature(foo)]

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mbe-bare-trait-objects-const-trait-bounds.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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mbe-const-trait-bound-theoretical-regression.rs

Support async trait bounds in macros

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mbe-const-trait-bound-theoretical-regression.stderr

Support async trait bounds in macros

2024-02-20 16:09:09 +00:00

mbe-dyn-const-2015.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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mutually-exclusive-trait-bound-modifiers.rs

Introduce const Trait (always-const trait bounds)

2023-12-27 12:51:32 +01:00

mutually-exclusive-trait-bound-modifiers.stderr

Introduce const Trait (always-const trait bounds)

2023-12-27 12:51:32 +01:00

nested-closure.rs

Stabilize LazyCell and LazyLock (lazy_cell)

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non-const-op-const-closure-non-const-outer.rs

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non-const-op-const-closure-non-const-outer.stderr

Provide structured suggestion for #![feature(foo)]

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non-const-op-in-closure-in-const.rs

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non-const-op-in-closure-in-const.stderr

Introduce const Trait (always-const trait bounds)

2023-12-27 12:51:32 +01:00

specializing-constness-2.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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specializing-constness-2.stderr

Continue compilation after check_mod_type_wf errors

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specializing-constness.rs

bless tests

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specializing-constness.stderr

Show number in error message even for one error

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staged-api-user-crate.rs

[AUTO-GENERATED] Migrate ui tests from // to //@ directives

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staged-api-user-crate.stderr

Provide structured suggestion for #![feature(foo)]

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staged-api.rs

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staged-api.stable.stderr

Continue to borrowck even if there were previous errors

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staged-api.unstable.stderr

Continue to borrowck even if there were previous errors

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static-const-trait-bound.rs

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std-impl-gate.gated.stderr

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std-impl-gate.rs

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std-impl-gate.stock.stderr

Provide structured suggestion for #![feature(foo)]

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super-traits-fail-2.nn.stderr

Avoid silencing relevant follow-up errors

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super-traits-fail-2.ny.stderr

Avoid silencing relevant follow-up errors

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super-traits-fail-2.rs

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super-traits-fail-2.yn.stderr

Avoid silencing relevant follow-up errors

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super-traits-fail-2.yy.stderr

Avoid silencing relevant follow-up errors

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super-traits-fail-3.nn.stderr

Merge collect_mod_item_types query into check_well_formed

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super-traits-fail-3.ny.stderr

Avoid silencing relevant follow-up errors

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super-traits-fail-3.rs

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super-traits-fail-3.yn.stderr

Avoid silencing relevant follow-up errors

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super-traits-fail.rs

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super-traits.rs

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syntax.rs

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tilde-const-and-const-params.rs

Validate ~const trait bounds on associated fns.

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tilde-const-and-const-params.stderr

Add Span to TraitBoundModifier

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tilde-const-assoc-fn-in-trait-impl.rs

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tilde-const-inherent-assoc-const-fn.rs

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tilde-const-invalid-places.rs

Avoid silencing relevant follow-up errors

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tilde-const-invalid-places.stderr

Merge collect_mod_item_types query into check_well_formed

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tilde-const-syntax.rs

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tilde-const-trait-assoc-tys.rs

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tilde-twice.rs

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tilde-twice.stderr

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trait-default-body-stability.rs

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trait-default-body-stability.stderr

bless ui tests

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trait-method-ptr-in-consts-ice.rs

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trait-where-clause-const.rs

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trait-where-clause-const.stderr

~const trait or projection bounds do not imply non-const bounds

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trait-where-clause-run.rs

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trait-where-clause-self-referential.rs

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trait-where-clause.rs

Validate ~const trait bounds on associated fns.

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trait-where-clause.stderr

Add Span to TraitBoundModifier

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unsatisfied-const-trait-bound.rs

~const trait or projection bounds do not imply non-const bounds

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unsatisfied-const-trait-bound.stderr

~const trait or projection bounds do not imply non-const bounds

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