bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

check the recursion limit when finding struct tail

Browse source
This commit is contained in:
SNCPlay42 2020-11-26 15:32:41 +00:00
parent 0d9651648d
commit 98fc02d6fa
3 changed files with 45 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

10
compiler/rustc_middle/src/ty/util.rs
View file

@ -18,7 +18,7 @@ use rustc_hir as hir;
use rustc_hir::def::DefKind;
use rustc_hir::def_id::DefId;
use rustc_macros::HashStable;
use rustc_span::Span;
use rustc_span::{Span, DUMMY_SP};
use rustc_target::abi::{Integer, Size, TargetDataLayout};
use smallvec::SmallVec;
use std::{cmp, fmt};
@ -221,7 +221,13 @@ impl<'tcx> TyCtxt<'tcx> {
mut ty: Ty<'tcx>,
normalize: impl Fn(Ty<'tcx>) -> Ty<'tcx>,
) -> Ty<'tcx> {
loop {
for iteration in 0.. {
if !self.sess.recursion_limit().value_within_limit(iteration) {
return self.ty_error_with_message(
DUMMY_SP,
&format!("reached the recursion limit finding the struct tail for {}", ty),
);
}
match *ty.kind() {
ty::Adt(def, substs) => {
if !def.is_struct() {