bors 39ebc378c2 Auto merge of #15436 - Veykril:temp-alloc, r=Veykril ...

Preserve `resolve_obligations_as_possible` temporary allocation across calls

This saves ~20ms in the highlihting bench on my machine
```
  284ms - highlight
      150ms - infer:wait @ per_query_memory_usage
          150ms - infer_query
                0   - PerNs::filter_visibility (436 calls)
                0   - crate_def_map:wait (336 calls)
                2ms - deref_by_trait (909 calls)
                0   - generic_params_query (1 calls)
                0   - inherent_impls_in_block_query (1 calls)
              107ms - resolve_obligations_as_possible (17013 calls)
                0   - trait_solve::wait (1017 calls)
        0   - PerNs::filter_visibility (13 calls)
       17ms - Semantics::analyze_impl (19 calls)
        0   - SourceBinder::to_module_def (30 calls)
        0   - attrs_query (6 calls)
        0   - classify_lifetime (1 calls)
        0   - classify_lifetime_ref (4 calls)
       35ms - classify_name (28 calls)
       54ms - classify_name_ref (452 calls)
        0   - crate_def_map:wait (375 calls)
        7ms - descend_into_macros (776 calls)
        0   - generic_params_query (5 calls)
        0   - impl_data_with_diagnostics_query (1 calls)
       17ms - infer:wait (32 calls)
        0   - resolve_obligations_as_possible (1 calls)
        0   - source_file_to_def (1 calls)
        0   - trait_solve::wait (1 calls)
```
to
```

  256ms - highlight
      121ms - infer:wait @ per_query_memory_usage
          121ms - infer_query
                0   - PerNs::filter_visibility (436 calls)
                0   - crate_def_map:wait (336 calls)
                2ms - deref_by_trait (909 calls)
                0   - generic_params_query (1 calls)
                0   - inherent_impls_in_block_query (1 calls)
               81ms - resolve_obligations_as_possible (17013 calls)
                0   - trait_solve::wait (1017 calls)
        0   - PerNs::filter_visibility (13 calls)
       17ms - Semantics::analyze_impl (19 calls)
        0   - SourceBinder::to_module_def (30 calls)
        0   - attrs_query (6 calls)
        0   - classify_lifetime (1 calls)
        0   - classify_lifetime_ref (4 calls)
       35ms - classify_name (28 calls)
       56ms - classify_name_ref (452 calls)
        0   - crate_def_map:wait (375 calls)
        7ms - descend_into_macros (776 calls)
        0   - generic_params_query (5 calls)
        0   - impl_data_with_diagnostics_query (1 calls)
       16ms - infer:wait (32 calls)
        0   - resolve_obligations_as_possible (1 calls)
        0   - source_file_to_def (1 calls)
        0   - trait_solve::wait (1 calls)
```

2023-08-12 04:38:32 +00:00

..

src

Auto merge of #15436 - Veykril:temp-alloc, r=Veykril

2023-08-12 04:38:32 +00:00

Cargo.toml

Support getrandom syscall

2023-07-11 00:29:06 +03:30