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honor rustc_const_stable_indirect in non-staged_api crate with -Zforce-unstable-if-unmarked

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Ralf Jung 2024-11-02 20:15:18 +01:00
parent 668959740f
commit 686eeb83e9
10 changed files with 155 additions and 3 deletions
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7
compiler/rustc_const_eval/src/check_consts/mod.rs
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@ -53,10 +53,11 @@ impl<'mir, 'tcx> ConstCx<'mir, 'tcx> {
}
pub fn enforce_recursive_const_stability(&self) -> bool {
// We can skip this if `staged_api` is not enabled, since in such crates
// `lookup_const_stability` will always be `None`.
// We can skip this if neither `staged_api` nor `-Zforrce-unstable-if-unmarked` are enabled,
// since in such crates `lookup_const_stability` will always be `None`.
self.const_kind == Some(hir::ConstContext::ConstFn)
&& self.tcx.features().staged_api()
&& (self.tcx.features().staged_api()
|| self.tcx.sess.opts.unstable_opts.force_unstable_if_unmarked)
&& is_safe_to_expose_on_stable_const_fn(self.tcx, self.def_id().to_def_id())
}