Copy generics from functions to Return Position Impl Traits in HIR lowering - #101345

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spastorino wants to merge 53 commits into

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spastorino:rpit-refactor

Commits on Sep 2, 2022

Set up new approach for impl trait in return position
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7bbe7b6
Make RPIT not inherit generics from its function
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b3cc702
Call mk_param_from_def for all params
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bae1deb
Copy generic parameters from function to impl trait opaque type
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a5f8780
Test nested impl trait in return position
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c1f8fbd
Add generic type and const args to OpaqueDef
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2cccbc4
Handle all kind of generic args when converting to ty
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bb28711
param_env def_id is the one of the opaque type for RPIT
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f60f609
Properly gather explicit predicates of opaque type
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a71699d
is_impl_trait_defn doesn't have any effect now with RPIT
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a311717
register_member_constraints is 0 for RPIT
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4642ec9
gather_explicit_predicates_of return empty for OpaqueTyOrigin::AsyncFn
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35a98a7
Properly type check type parameter predicates for RPIT
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fee7dc6
Properly handle Const generics
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df9356d
Pass Generics to lower impl trait instead of generic params
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79eeffa
Copy generic param bounds and where clauses from function to RPIT
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d102712
Remap on lower_res
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8d26963
Lower lifetime bounds/predicates as static if not part of RPIT bounds
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a08ff68
Add APIT test for RPIT v2
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cce5412
Add bounds regression test for RPIT v2
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3b4ab9d
Add generic associated type test for RPIT v2
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be33fa2
Add where bounds test for RPIT v2
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c67ab47
Lower APIT generics to RPIT
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064675d
Copy generic params from outer impl/trait blocks to RPIT
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50bc776
Add debug call on rustc_middle generics
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8f20d42
Supress warn on artificial static lifetimes for RPIT
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98d43e5
instrument type param predicates and bounds in generic fns
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cfa73f8
Add APIT with lifetimes test
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9118087
Add a simple APIT test
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3049a8d
Add lifetimes bounds test
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8b5c082
Do not assert impl_trait_* is_empty
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1563a66
Add debug information
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54d5fa4
Add APIT anonymous lifetime test
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faafdf1
Add trait bound anonymous lifetime test
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fff4d31
Create definitions and remap lifetimes in lower_lifetime_binder
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f08f19e
save/restore the node-id table for poly-trait-ref
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697393f
impl/block types are first and then fn types
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9f8a343
Remove return_position_impl_trait_v2 feature flag and make it default
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f514607
Remove reborrow in favor of passing &mut
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25bbe2a
Pass generics info from context down to the inner rpits on async fns
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bab1d54
Push apit nodes before lowering generics and bounds
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a19d07e
Do not create new defs and remaps when lowering Universal inside RPITs
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679293a
Only create def and remap on lower_lifetime_binder for RPITs and not for async
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be98207
Ignore where-clauses wf checks for RPITs they are kinda bogus
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f16d7fe
Bless impl-trait-captures test as the output is better now
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7200539
Bless async test
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a4356ee
Bless bound-normalization-fail test
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0791f8d
Avoid unneeded repeated code
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8d53dc7
itertools is not needed anymore in rustc_ast_lowering
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49d057f

Commits on Sep 5, 2022