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Fix noop_method_call detection for new diagnostic items

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This commit is contained in:
Jason Newcomb 2023-09-27 11:01:41 -04:00
parent 92009f217a
commit 66bc682cab
4 changed files with 39 additions and 7 deletions
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6
compiler/rustc_lint/src/noop_method_call.rs
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@ -98,6 +98,12 @@ impl<'tcx> LateLintPass<'tcx> for NoopMethodCall {
let Ok(Some(i)) = ty::Instance::resolve(cx.tcx, cx.param_env, did, args) else { return };
// (Re)check that it implements the noop diagnostic.
let Some(name) = cx.tcx.get_diagnostic_name(i.def_id()) else { return };
if !matches!(
name,
sym::noop_method_borrow | sym::noop_method_clone | sym::noop_method_deref
) {
return;
}
let receiver_ty = cx.typeck_results().expr_ty(receiver);
let expr_ty = cx.typeck_results().expr_ty_adjusted(expr);