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valtree construction: keep track of which type was valtree-incompatible

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This commit is contained in:
Ralf Jung 2024-07-13 16:13:55 +02:00
parent 52f3c71c8d
commit fa74a9e6aa
11 changed files with 37 additions and 35 deletions
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4
compiler/rustc_trait_selection/src/traits/auto_trait.rs
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@ -765,8 +765,8 @@ impl<'tcx> AutoTraitFinder<'tcx> {
unevaluated,
obligation.cause.span,
) {
Ok(Some(valtree)) => Ok(ty::Const::new_value(selcx.tcx(),valtree, self.tcx.type_of(unevaluated.def).instantiate(self.tcx, unevaluated.args))),
Ok(None) => {
Ok(Ok(valtree)) => Ok(ty::Const::new_value(selcx.tcx(),valtree, self.tcx.type_of(unevaluated.def).instantiate(self.tcx, unevaluated.args))),
Ok(Err(_)) => {
let tcx = self.tcx;
let reported =
tcx.dcx().emit_err(UnableToConstructConstantValue {