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implement version of normalize_erasing_regions that doesn't assume value is normalizable

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This commit is contained in:
b-naber 2021-11-26 17:41:22 +01:00
parent 2446a21595
commit ff448cfcee
6 changed files with 203 additions and 3 deletions
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14
compiler/rustc_middle/src/query/mod.rs
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@ -1658,6 +1658,20 @@ rustc_queries! {
desc { "normalizing `{}`", goal.value }
}
/// Do not call this query directly: invoke `try_normalize_erasing_regions` instead.
query try_normalize_generic_arg_after_erasing_regions(
goal: ParamEnvAnd<'tcx, GenericArg<'tcx>>
) -> Result<GenericArg<'tcx>, NoSolution> {
desc { "trying to normalize `{}`", goal.value }
}
/// Do not call this query directly: invoke `try_normalize_erasing_regions` instead.
query try_normalize_mir_const_after_erasing_regions(
goal: ParamEnvAnd<'tcx, mir::ConstantKind<'tcx>>
) -> Result<mir::ConstantKind<'tcx>, NoSolution> {
desc { "trying to normalize `{}`", goal.value }
}
query implied_outlives_bounds(
goal: CanonicalTyGoal<'tcx>
) -> Result<