diff options
Diffstat (limited to 'compiler/rustc_ast_passes/src/feature_gate.rs')
| -rw-r--r-- | compiler/rustc_ast_passes/src/feature_gate.rs | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index 17bcd24ee..274f931e4 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -83,7 +83,7 @@ impl<'a> PostExpansionVisitor<'a> { &self, const_extern_fn, span, - &format!("`{}` as a `const fn` ABI is unstable", abi) + format!("`{}` as a `const fn` ABI is unstable", abi) ), } } @@ -104,7 +104,7 @@ impl<'a> PostExpansionVisitor<'a> { if self.sess.opts.pretty.map_or(true, |ppm| ppm.needs_hir()) { self.sess.parse_sess.span_diagnostic.delay_span_bug( span, - &format!( + format!( "unrecognized ABI not caught in lowering: {}", symbol_unescaped.as_str() ), @@ -317,8 +317,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { match i.kind { ast::ForeignItemKind::Fn(..) | ast::ForeignItemKind::Static(..) => { let link_name = attr::first_attr_value_str_by_name(&i.attrs, sym::link_name); - let links_to_llvm = - link_name.map_or(false, |val| val.as_str().starts_with("llvm.")); + let links_to_llvm = link_name.is_some_and(|val| val.as_str().starts_with("llvm.")); if links_to_llvm { gate_feature_post!( &self, @@ -572,6 +571,7 @@ pub fn check_crate(krate: &ast::Crate, sess: &Session) { } }; } + gate_all!(c_str_literals, "`c\"..\"` literals are experimental"); gate_all!( if_let_guard, "`if let` guards are experimental", @@ -602,6 +602,13 @@ pub fn check_crate(krate: &ast::Crate, sess: &Session) { gate_all!(yeet_expr, "`do yeet` expression is experimental"); gate_all!(dyn_star, "`dyn*` trait objects are experimental"); gate_all!(const_closures, "const closures are experimental"); + gate_all!(builtin_syntax, "`builtin #` syntax is unstable"); + + if !visitor.features.negative_bounds { + for &span in spans.get(&sym::negative_bounds).iter().copied().flatten() { + sess.emit_err(errors::NegativeBoundUnsupported { span }); + } + } // All uses of `gate_all!` below this point were added in #65742, // and subsequently disabled (with the non-early gating readded). |