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Fix issue with const params in operand.rs

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varkor
2019-04-23 00:03:00 +01:00
parent beb2f84b31
commit a29eca5d82
1 changed files with 2 additions and 1 deletions
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src/librustc_mir/interpret/operand.rs
+2 -1
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@@ -524,7 +524,8 @@ pub(super) fn eval_operands(
layout: Option<TyLayout<'tcx>>,
) -> EvalResult<'tcx, OpTy<'tcx, M::PointerTag>> {
let op = match val.val {
ConstValue::Param(_) | ConstValue::Infer(_) | ConstValue::Placeholder(_) => bug!(),
ConstValue::Param(_) => return err!(TooGeneric),
ConstValue::Infer(_) | ConstValue::Placeholder(_) => bug!(),
ConstValue::ByRef(ptr, alloc) => {
// We rely on mutability being set correctly in that allocation to prevent writes
// where none should happen -- and for `static mut`, we copy on demand anyway.