bjoernager/rust
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interpret: make some large types not Copy

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This commit is contained in:
Ralf Jung 2022-07-15 22:58:20 -04:00
parent 388971b05d
commit 213a25d975
9 changed files with 45 additions and 39 deletions
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6
compiler/rustc_mir_transform/src/const_prop_lint.rs
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@ -584,7 +584,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> {
});
// Check for exceeding shifts *even if* we cannot evaluate the LHS.
if op == BinOp::Shr || op == BinOp::Shl {
let r = r?;
let r = r.clone()?;
// We need the type of the LHS. We cannot use `place_layout` as that is the type
// of the result, which for checked binops is not the same!
let left_ty = left.ty(self.local_decls, self.tcx);
@ -616,10 +616,10 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> {
}
}
if let (Some(l), Some(r)) = (&l, &r) {
if let (Some(l), Some(r)) = (l, r) {
// The remaining operators are handled through `overflowing_binary_op`.
if self.use_ecx(source_info, |this| {
let (_res, overflow, _ty) = this.ecx.overflowing_binary_op(op, l, r)?;
let (_res, overflow, _ty) = this.ecx.overflowing_binary_op(op, &l, &r)?;
Ok(overflow)
})? {
self.report_assert_as_lint(