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Detect uninhabited types early in const eval.

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This commit is contained in:
Oli Scherer 2023-03-21 10:20:00 +00:00
parent 83dec62b26
commit f066d6785d
8 changed files with 28 additions and 30 deletions
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4
compiler/rustc_const_eval/src/const_eval/machine.rs
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@ -335,8 +335,8 @@ impl<'mir, 'tcx> interpret::Machine<'mir, 'tcx> for CompileTimeInterpreter<'mir,
}
#[inline(always)]
fn enforce_validity(ecx: &InterpCx<'mir, 'tcx, Self>, _layout: TyAndLayout<'tcx>) -> bool {
ecx.tcx.sess.opts.unstable_opts.extra_const_ub_checks
fn enforce_validity(ecx: &InterpCx<'mir, 'tcx, Self>, layout: TyAndLayout<'tcx>) -> bool {
ecx.tcx.sess.opts.unstable_opts.extra_const_ub_checks || layout.abi.is_uninhabited()
}
fn alignment_check_failed(