Rollup merge of #117637 - lqd:trivial-bounds-with-binder-vars, r=compiler-errors
Check binders with bound vars for global bounds that don't hold This fixes `soa_derive-0.13.0` from #117589's crater run. r? `@compiler-errors`
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9efe60b1eb
@ -32,6 +32,7 @@ use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _
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use rustc_trait_selection::traits::{
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use rustc_trait_selection::traits::{
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self, ObligationCause, ObligationCauseCode, ObligationCtxt, WellFormedLoc,
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self, ObligationCause, ObligationCauseCode, ObligationCtxt, WellFormedLoc,
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};
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};
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use rustc_type_ir::TypeFlags;
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use std::cell::LazyCell;
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use std::cell::LazyCell;
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use std::ops::{ControlFlow, Deref};
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use std::ops::{ControlFlow, Deref};
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@ -1877,7 +1878,7 @@ impl<'tcx> WfCheckingCtxt<'_, 'tcx> {
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continue;
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continue;
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}
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}
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// Match the existing behavior.
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// Match the existing behavior.
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if pred.is_global() && !pred.has_late_bound_vars() {
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if pred.is_global() && !pred.has_type_flags(TypeFlags::HAS_BINDER_VARS) {
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let pred = self.normalize(span, None, pred);
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let pred = self.normalize(span, None, pred);
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let hir_node = tcx.hir().find_by_def_id(self.body_def_id);
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let hir_node = tcx.hir().find_by_def_id(self.body_def_id);
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@ -29,4 +29,12 @@ impl Inherent {
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fn inherent(&self) {}
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fn inherent(&self) {}
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}
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}
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// This trivial bound doesn't hold, but the unused lifetime tripped up that check after #117589, and
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// showed up in its crater results (in `soa-derive 0.13.0`).
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fn do_it()
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where
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for<'a> Inherent: Clone,
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{
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}
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fn main() {}
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fn main() {}
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