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Auto merge of #118655 - compiler-errors:rollup-vrngyzn, r=compiler-errors

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Rollup of 9 pull requests

Successful merges:

 - #117793 (Update variable name to fix `unused_variables` warning)
 - #118123 (Add support for making lib features internal)
 - #118268 (Pretty print `Fn<(..., ...)>` trait refs with parentheses (almost) always)
 - #118346 (Add `deeply_normalize_for_diagnostics`, use it in coherence)
 - #118350 (Simplify Default for tuples)
 - #118450 (Use OnceCell in cell module documentation)
 - #118585 (Fix parser ICE when recovering `dyn`/`impl` after `for<...>`)
 - #118587 (Cleanup error handlers some more)
 - #118642 (bootstrap(builder.rs): Don't explicitly warn against `semicolon_in_expressions_from_macros`)

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2023-12-06 04:20:51 +00:00
commit 1dd4db5062
53 changed files with 552 additions and 572 deletions
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24
compiler/rustc_parse/src/parser/ty.rs
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@ -304,23 +304,25 @@ impl<'a> Parser<'a> {
if self.may_recover()
&& (self.eat_keyword_noexpect(kw::Impl) || self.eat_keyword_noexpect(kw::Dyn))
{
let kw = self.prev_token.ident().unwrap().0.name;
let mut err = self.sess.create_err(errors::TransposeDynOrImpl {
span: self.prev_token.span,
kw: kw.as_str(),
sugg: errors::TransposeDynOrImplSugg {
removal_span: self.prev_token.span.with_hi(self.token.span.lo()),
insertion_span: for_span.shrink_to_lo(),
kw: kw.as_str(),
},
});
let kw = self.prev_token.ident().unwrap().0;
let removal_span = kw.span.with_hi(self.token.span.lo());
let path = self.parse_path(PathStyle::Type)?;
let parse_plus = allow_plus == AllowPlus::Yes && self.check_plus();
let kind =
self.parse_remaining_bounds_path(lifetime_defs, path, lo, parse_plus)?;
let mut err = self.sess.create_err(errors::TransposeDynOrImpl {
span: kw.span,
kw: kw.name.as_str(),
sugg: errors::TransposeDynOrImplSugg {
removal_span,
insertion_span: for_span.shrink_to_lo(),
kw: kw.name.as_str(),
},
});
// Take the parsed bare trait object and turn it either
// into a `dyn` object or an `impl Trait`.
let kind = match (kind, kw) {
let kind = match (kind, kw.name) {
(TyKind::TraitObject(bounds, _), kw::Dyn) => {
TyKind::TraitObject(bounds, TraitObjectSyntax::Dyn)
}