bjoernager/rust
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Fold vtable_trait_upcasting_coercion_new_vptr_slot logic into obligation processing.

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This commit is contained in:
Charles Lew 2021-08-18 12:45:18 +08:00
parent 1e605023ec
commit 6b1c52ff25
11 changed files with 137 additions and 87 deletions
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12
compiler/rustc_middle/src/traits/structural_impls.rs
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@ -30,6 +30,8 @@ impl<'tcx, N: fmt::Debug> fmt::Debug for traits::ImplSource<'tcx, N> {
super::ImplSource::Builtin(ref d) => write!(f, "{:?}", d),
super::ImplSource::TraitAlias(ref d) => write!(f, "{:?}", d),
super::ImplSource::TraitUpcasting(ref d) => write!(f, "{:?}", d),
}
}
}
@ -70,6 +72,16 @@ impl<N: fmt::Debug> fmt::Debug for traits::ImplSourceBuiltinData<N> {
}
}
impl<N: fmt::Debug> fmt::Debug for traits::ImplSourceTraitUpcastingData<'tcx, N> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(
f,
"ImplSourceTraitUpcastingData(upcast={:?}, vtable_vptr_slot={:?}, nested={:?})",
self.upcast_trait_ref, self.vtable_vptr_slot, self.nested
)
}
}
impl<N: fmt::Debug> fmt::Debug for traits::ImplSourceAutoImplData<N> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(