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Add traits::fully_solve_obligation that acts like traits::fully_normalize

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It spawns up a trait engine, registers the single obligation, then fully
solves it
This commit is contained in:
Michael Goulet 2022-08-02 06:02:04 +00:00
parent 7aaeee734f
commit ccbc96508a
1 changed files with 2 additions and 4 deletions
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6
clippy_lints/src/future_not_send.rs
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@ -9,7 +9,7 @@ use rustc_middle::ty::{EarlyBinder, Opaque, PredicateKind::Trait};
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::{sym, Span};
use rustc_trait_selection::traits::error_reporting::suggestions::InferCtxtExt;
use rustc_trait_selection::traits::{self, FulfillmentError, TraitEngine};
use rustc_trait_selection::traits::{self, FulfillmentError};
declare_clippy_lint! {
/// ### What it does
@ -80,9 +80,7 @@ impl<'tcx> LateLintPass<'tcx> for FutureNotSend {
let span = decl.output.span();
let send_errors = cx.tcx.infer_ctxt().enter(|infcx| {
let cause = traits::ObligationCause::misc(span, hir_id);
let mut fulfillment_cx = traits::FulfillmentContext::new();
fulfillment_cx.register_bound(&infcx, cx.param_env, ret_ty, send_trait, cause);
fulfillment_cx.select_all_or_error(&infcx)
traits::fully_solve_bound(&infcx, cause, cx.param_env, ret_ty, send_trait)
});
if !send_errors.is_empty() {
span_lint_and_then(