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fix enum variant downcasting

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This commit is contained in:
Oliver Schneider 2016-09-20 13:34:53 +02:00
parent 1e0b3b207d
commit 477d1c20f4
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1 changed files with 2 additions and 2 deletions
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4
src/interpreter/mod.rs
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@ -907,9 +907,9 @@ impl<'a, 'tcx> EvalContext<'a, 'tcx> {
Downcast(_, variant) => { Downcast(_, variant) => {
use rustc::ty::layout::Layout::*; use rustc::ty::layout::Layout::*;
match *base_layout { match *base_layout {
General { discr, .. } => { General { ref variants, .. } => {
return Ok(Lvalue { return Ok(Lvalue {
ptr: base.ptr.offset(discr.size().bytes() as isize), ptr: base.ptr.offset(variants[variant].field_offset(1).bytes() as isize),
extra: LvalueExtra::DowncastVariant(variant), extra: LvalueExtra::DowncastVariant(variant),
}); });
} }