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Use DefKind instead of FnKind for recursion lint.

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This commit is contained in:
Camille GILLOT 2022-07-29 18:10:43 +02:00
parent 6733bc3066
commit a09b7ebfd3
1 changed files with 2 additions and 7 deletions
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9
compiler/rustc_mir_build/src/lints.rs
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@ -1,7 +1,7 @@
use rustc_data_structures::graph::iterate::{
NodeStatus, TriColorDepthFirstSearch, TriColorVisitor,
};
use rustc_hir::intravisit::FnKind;
use rustc_hir::def::DefKind;
use rustc_middle::mir::{BasicBlock, BasicBlocks, Body, Operand, TerminatorKind};
use rustc_middle::ty::subst::{GenericArg, InternalSubsts};
use rustc_middle::ty::{self, AssocItem, AssocItemContainer, Instance, TyCtxt};
@ -12,12 +12,7 @@ use std::ops::ControlFlow;
pub(crate) fn check<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>) {
let def_id = body.source.def_id().expect_local();
if let Some(fn_kind) = tcx.hir().get_by_def_id(def_id).fn_kind() {
if let FnKind::Closure = fn_kind {
// closures can't recur, so they don't matter.
return;
}
if let DefKind::Fn | DefKind::AssocFn = tcx.def_kind(def_id) {
// If this is trait/impl method, extract the trait's substs.
let trait_substs = match tcx.opt_associated_item(def_id.to_def_id()) {
Some(AssocItem {