bjoernager/rust
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Address review comments

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This commit is contained in:
Amanieu d'Antras 2021-02-25 00:09:33 +00:00
parent 00eca69bff
commit 2451f124c9
6 changed files with 78 additions and 90 deletions
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17
compiler/rustc_passes/src/check_attr.rs
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@ -789,6 +789,23 @@ impl CheckAttrVisitor<'tcx> {
})) = item
{
let arg_count = decl.inputs.len() as u128 + generics.params.len() as u128;
for param in generics.params {
match param.kind {
hir::GenericParamKind::Const { .. } => {}
_ => {
self.tcx
.sess
.struct_span_err(
meta.span(),
"#[rustc_legacy_const_generics] functions must \
only have const generics",
)
.span_label(param.span, "non-const generic parameter")
.emit();
break;
}
}
}
if *val >= arg_count {
let span = meta.span();
self.tcx