bjoernager/rust
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Auto merge of #102297 - fee1-dead-contrib:rollup-2np0cre, r=fee1-dead

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Rollup of 5 pull requests

Successful merges:

 - #102143 (Recover from struct nested in struct)
 - #102178 (bootstrap: the backtrace feature is stable, no need to allow it any more)
 - #102197 (Stabilize const `BTree{Map,Set}::new`)
 - #102267 (Don't set RUSTC in the bootstrap build script)
 - #102270 (Remove benches from `rustc_middle`)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2022-09-26 05:27:43 +00:00
commit 72f4923979
14 changed files with 60 additions and 108 deletions
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17
compiler/rustc_parse/src/parser/item.rs
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@ -1715,6 +1715,7 @@ impl<'a> Parser<'a> {
fn parse_field_ident(&mut self, adt_ty: &str, lo: Span) -> PResult<'a, Ident> {
let (ident, is_raw) = self.ident_or_err()?;
if !is_raw && ident.is_reserved() {
let snapshot = self.create_snapshot_for_diagnostic();
let err = if self.check_fn_front_matter(false) {
let inherited_vis = Visibility {
span: rustc_span::DUMMY_SP,
@ -1735,6 +1736,22 @@ impl<'a> Parser<'a> {
err.help("unlike in C++, Java, and C#, functions are declared in `impl` blocks");
err.help("see https://doc.rust-lang.org/book/ch05-03-method-syntax.html for more information");
err
} else if self.eat_keyword(kw::Struct) {
match self.parse_item_struct() {
Ok((ident, _)) => {
let mut err = self.struct_span_err(
lo.with_hi(ident.span.hi()),
&format!("structs are not allowed in {adt_ty} definitions"),
);
err.help("consider creating a new `struct` definition instead of nesting");
err
}
Err(err) => {
err.cancel();
self.restore_snapshot(snapshot);
self.expected_ident_found()
}
}
} else {
self.expected_ident_found()
};