layout should not affect CTFE checks (outside of validation)

2018-10-17 09:24:43 +02:00 · 2018-10-17 09:24:43 +02:00 · c31819b3ff
commit c31819b3ff
parent 37ba1071c6
1 changed files with 0 additions and 3 deletions
--- a/src/librustc_mir/interpret/operand.rs
+++ b/src/librustc_mir/interpret/operand.rs
@ -688,9 +688,6 @@ impl<'a, 'mir, 'tcx, M: Machine<'a, 'mir, 'tcx>> EvalContext<'a, 'mir, 'tcx, M>
        rval: OpTy<'tcx, M::PointerTag>,
    ) -> EvalResult<'tcx, (u128, usize)> {
        trace!("read_discriminant_value {:#?}", rval.layout);
-        if rval.layout.abi.is_uninhabited() {
-            return err!(Unreachable);
-        }

        match rval.layout.variants {
            layout::Variants::Single { index } => {