bjoernager/rust
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Do not report overflow error.

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This commit is contained in:
Camille GILLOT 2022-04-30 22:02:11 +02:00
parent 6b348257a1
commit 69e5b2fde0
1 changed files with 3 additions and 0 deletions
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3
compiler/rustc_trait_selection/src/traits/mod.rs
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@ -432,6 +432,9 @@ pub fn impossible_predicates<'tcx>(
debug!("impossible_predicates(predicates={:?})", predicates); debug!("impossible_predicates(predicates={:?})", predicates);
let result = tcx.infer_ctxt().enter(|infcx| { let result = tcx.infer_ctxt().enter(|infcx| {
// HACK: Set tainted by errors to gracefully exit in case of overflow.
infcx.set_tainted_by_errors();
let param_env = ty::ParamEnv::reveal_all(); let param_env = ty::ParamEnv::reveal_all();
let mut selcx = SelectionContext::new(&infcx); let mut selcx = SelectionContext::new(&infcx);
let mut fulfill_cx = FulfillmentContext::new(); let mut fulfill_cx = FulfillmentContext::new();