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rustc_next_trait_solver/solve/project_goals/
anon_const.rs

1use rustc_type_ir::solve::QueryResultOrRerunNonErased;
2use rustc_type_ir::{self as ty, Interner};
3use tracing::instrument;
4
5use crate::delegate::SolverDelegate;
6use crate::solve::{EvalCtxt, Goal};
7
8impl<D, I> EvalCtxt<'_, D>
9where
10    D: SolverDelegate<Interner = I>,
11    I: Interner,
12{
13    {}
let __tracing_attr_span;
let __tracing_attr_guard;
if ::tracing::Level::TRACE <= ::tracing::level_filters::STATIC_MAX_LEVEL &&
            ::tracing::Level::TRACE <=
                ::tracing::level_filters::LevelFilter::current() || { false }
    {
    __tracing_attr_span =
        {
            use ::tracing::__macro_support::Callsite as _;
            static __CALLSITE: ::tracing::callsite::DefaultCallsite =
                {
                    static META: ::tracing::Metadata<'static> =
                        {
                            ::tracing_core::metadata::Metadata::new("normalize_anon_const",
                                "rustc_next_trait_solver::solve::project_goals::anon_const",
                                ::tracing::Level::TRACE,
                                ::tracing_core::__macro_support::Option::Some("/rustc-dev/809936eac66c547a5127ce1da805f0d3a6789b98/compiler/rustc_next_trait_solver/src/solve/project_goals/anon_const.rs"),
                                ::tracing_core::__macro_support::Option::Some(13u32),
                                ::tracing_core::__macro_support::Option::Some("rustc_next_trait_solver::solve::project_goals::anon_const"),
                                ::tracing_core::field::FieldSet::new(&[{
                                                    const NAME:
                                                        ::tracing::__macro_support::FieldName<{
                                                            ::tracing::__macro_support::FieldName::len("goal")
                                                        }> =
                                                        ::tracing::__macro_support::FieldName::new("goal");
                                                    NAME.as_str()
                                                }], ::tracing_core::callsite::Identifier(&__CALLSITE)),
                                ::tracing::metadata::Kind::SPAN)
                        };
                    ::tracing::callsite::DefaultCallsite::new(&META)
                };
            let mut interest = ::tracing::subscriber::Interest::never();
            if ::tracing::Level::TRACE <=
                                ::tracing::level_filters::STATIC_MAX_LEVEL &&
                            ::tracing::Level::TRACE <=
                                ::tracing::level_filters::LevelFilter::current() &&
                        { interest = __CALLSITE.interest(); !interest.is_never() }
                    &&
                    ::tracing::__macro_support::__is_enabled(__CALLSITE.metadata(),
                        interest) {
                let meta = __CALLSITE.metadata();
                ::tracing::Span::new(meta,
                    &{
                            #[allow(unused_imports)]
                            use ::tracing::field::{debug, display, Value};
                            meta.fields().value_set_all(&[(::tracing::__macro_support::Option::Some(&::tracing::field::debug(&goal)
                                                        as &dyn ::tracing::field::Value))])
                        })
            } else {
                let span =
                    ::tracing::__macro_support::__disabled_span(__CALLSITE.metadata());
                {};
                span
            }
        };
    __tracing_attr_guard = __tracing_attr_span.enter();
}
#[allow(clippy :: redundant_closure_call)]
let x =
    (move ||
                {

                    #[allow(unknown_lints, unreachable_code, clippy ::
                    diverging_sub_expression, clippy :: empty_loop, clippy ::
                    let_unit_value, clippy :: let_with_type_underscore, clippy
                    :: needless_return, clippy :: unreachable)]
                    if false {
                        let __tracing_attr_fake_return:
                                QueryResultOrRerunNonErased<I> = loop {};
                        return __tracing_attr_fake_return;
                    }
                    {
                        let alias_const =
                            goal.predicate.projection_term.expect_ct();
                        self.evaluate_const_and_instantiate_projection_term(goal.param_env,
                            goal.predicate.projection_term, goal.predicate.term,
                            alias_const)
                    }
                })();
{
    use ::tracing::__macro_support::Callsite as _;
    static __CALLSITE: ::tracing::callsite::DefaultCallsite =
        {
            static META: ::tracing::Metadata<'static> =
                {
                    ::tracing_core::metadata::Metadata::new("event /rustc-dev/809936eac66c547a5127ce1da805f0d3a6789b98/compiler/rustc_next_trait_solver/src/solve/project_goals/anon_const.rs:13",
                        "rustc_next_trait_solver::solve::project_goals::anon_const",
                        ::tracing::Level::TRACE,
                        ::tracing_core::__macro_support::Option::Some("/rustc-dev/809936eac66c547a5127ce1da805f0d3a6789b98/compiler/rustc_next_trait_solver/src/solve/project_goals/anon_const.rs"),
                        ::tracing_core::__macro_support::Option::Some(13u32),
                        ::tracing_core::__macro_support::Option::Some("rustc_next_trait_solver::solve::project_goals::anon_const"),
                        ::tracing_core::field::FieldSet::new(&[{
                                            const NAME:
                                                ::tracing::__macro_support::FieldName<{
                                                    ::tracing::__macro_support::FieldName::len("return")
                                                }> =
                                                ::tracing::__macro_support::FieldName::new("return");
                                            NAME.as_str()
                                        }], ::tracing_core::callsite::Identifier(&__CALLSITE)),
                        ::tracing::metadata::Kind::EVENT)
                };
            ::tracing::callsite::DefaultCallsite::new(&META)
        };
    let enabled =
        ::tracing::Level::TRACE <= ::tracing::level_filters::STATIC_MAX_LEVEL
                &&
                ::tracing::Level::TRACE <=
                    ::tracing::level_filters::LevelFilter::current() &&
            {
                let interest = __CALLSITE.interest();
                !interest.is_never() &&
                    ::tracing::__macro_support::__is_enabled(__CALLSITE.metadata(),
                        interest)
            };
    if enabled {
        (|value_set: ::tracing::field::ValueSet|
                    {
                        let meta = __CALLSITE.metadata();
                        ::tracing::Event::dispatch(meta, &value_set);
                        ;
                    })({
                #[allow(unused_imports)]
                use ::tracing::field::{debug, display, Value};
                __CALLSITE.metadata().fields().value_set_all(&[(::tracing::__macro_support::Option::Some(&::tracing::field::debug(&x)
                                            as &dyn ::tracing::field::Value))])
            });
    } else { ; }
};
x;#[instrument(level = "trace", skip(self), ret)]
14    pub(super) fn normalize_anon_const(
15        &mut self,
16        goal: Goal<I, ty::ProjectionClause<I>>,
17    ) -> QueryResultOrRerunNonErased<I> {
18        let alias_const = goal.predicate.projection_term.expect_ct();
19        self.evaluate_const_and_instantiate_projection_term(
20            goal.param_env,
21            goal.predicate.projection_term,
22            goal.predicate.term,
23            alias_const,
24        )
25    }
26}