Rollup merge of rust-lang#142160 - Urgau:check-cfg-bootstrap-only-rustc, r=Kobzol

matthiaskrgr · web-flow · commit df64a7f4725d · 2025-06-09T10:20:52.000+02:00
Only allow `bootstrap` cfg in rustc & related Fixes rust-lang#142150 r? bootstrap
diff --git a/core/src/iter/sources/generator.rs b/core/src/iter/sources/generator.rs
@@ -20,7 +20,7 @@
 /// ```
 #[unstable(feature = "iter_macro", issue = "none", reason = "generators are unstable")]
 #[allow_internal_unstable(coroutines, iter_from_coroutine)]
-#[cfg_attr(not(bootstrap), rustc_builtin_macro)]
+#[rustc_builtin_macro]
 pub macro iter($($t:tt)*) {
     /* compiler-builtin */
 }

Original file line number	Diff line number	Diff line change
`@@ -20,7 +20,7 @@`
`20`	`20`	/// ```
`21`	`21`	`#[unstable(feature = "iter_macro", issue = "none", reason = "generators are unstable")]`
`22`	`22`	`#[allow_internal_unstable(coroutines, iter_from_coroutine)]`
`23`		`-#[cfg_attr(not(bootstrap), rustc_builtin_macro)]`
	`23`	`+#[rustc_builtin_macro]`
`24`	`24`	`pub macro iter($($t:tt)*) {`
`25`	`25`	`/* compiler-builtin */`
`26`	`26`	`}`