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Plumb inference obligations through selection (alternative) #33451

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Plumb inference obligations through selection (alternative) #33451

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b7caae3
Don't commit when assembling candidates
soltanmm-google Apr 26, 2016
116d828
Plumb inference obligations through selection
soltanmm-google Apr 26, 2016
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Don't commit when assembling candidates 
Candidate assembly during selection should not affect the inference
context.
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@soltanmm-google
soltanmm-google committed Apr 30, 2016
commit b7caae30c7389c3b92a8399577e007116c28f075
2 changes: 1 addition & 1 deletion src/librustc/traits/select.rs
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Expand Up @@ -1394,7 +1394,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
return;
}

self.infcx.commit_if_ok(|snapshot| {
self.infcx.probe(|snapshot| {
let (self_ty, _) =
self.infcx().skolemize_late_bound_regions(&obligation.self_ty(), snapshot);
let poly_trait_ref = match self_ty.sty {
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