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Replace associated item bound vars with placeholders when projecting #86993

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Merged
bors merged 4 commits into from
Jul 16, 2021
Merged

Replace associated item bound vars with placeholders when projecting #86993

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c63f1fe
Replace associated item bound vars with placeholders when projecting.
jackh726 Jul 9, 2021
a9f1e1c
WIP partial apply fix
jackh726 Jul 13, 2021
09978bd
Conditionally call normalize_erasing_regions only if polymorhization …
jackh726 Jul 13, 2021
cf001dc
Remove failed and review comments
jackh726 Jul 15, 2021
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Conditionally call normalize_erasing_regions only if polymorhization … 
…is enabled
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@jackh726
jackh726 committed Jul 13, 2021
commit 09978bdcd154aeac01e06a801fe33d29e57a6bdc
3 changes: 2 additions & 1 deletion compiler/rustc_middle/src/ty/layout.rs
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Expand Up @@ -2478,9 +2478,10 @@ impl<'tcx> ty::Instance<'tcx> {
// `src/test/ui/polymorphization/normalized_sig_types.rs`), and codegen not keeping
// track of a polymorphization `ParamEnv` to allow normalizing later.
let mut sig = match *ty.kind() {
ty::FnDef(def_id, substs) => tcx
ty::FnDef(def_id, substs) if tcx.sess.opts.debugging_opts.polymorphize => tcx
.normalize_erasing_regions(tcx.param_env(def_id), tcx.fn_sig(def_id))
.subst(tcx, substs),
ty::FnDef(def_id, substs) => tcx.fn_sig(def_id).subst(tcx, substs),
_ => unreachable!(),
};

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