192 lines
6.7 KiB
Rust
192 lines
6.7 KiB
Rust
//~ NOTE: not an `extern crate` item
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//~^ NOTE: not a free function, impl method or static
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//~^^ NOTE: not a function or closure
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// This is testing whether various builtin attributes signals an
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// error or warning when put in "weird" places.
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//
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// (This file sits on its own because it actually signals an error,
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// which would mess up the treatment of other cases in
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// issue-43106-gating-of-builtin-attrs.rs)
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#![macro_export]
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//~^ ERROR: `macro_export` attribute cannot be used at crate level
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#![rustc_main] //~ ERROR: the `#[rustc_main]` attribute is used internally to specify
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//~^ ERROR: `rustc_main` attribute cannot be used at crate level
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//~| NOTE: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
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#![start]
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//~^ ERROR: `start` attribute cannot be used at crate level
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#![repr()]
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//~^ ERROR: `repr` attribute cannot be used at crate level
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#![path = "3800"]
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//~^ ERROR: `path` attribute cannot be used at crate level
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#![automatically_derived]
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//~^ ERROR: `automatically_derived` attribute cannot be used at crate level
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#![no_mangle]
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#![no_link]
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//~^ ERROR: attribute should be applied to an `extern crate` item
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#![export_name = "2200"]
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//~^ ERROR: attribute should be applied to a free function, impl method or static
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#![inline]
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//~^ ERROR: attribute should be applied to function or closure
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#[inline]
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//~^ ERROR attribute should be applied to function or closure
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mod inline {
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//~^ NOTE not a function or closure
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//~| NOTE the inner attribute doesn't annotate this module
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//~| NOTE the inner attribute doesn't annotate this module
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//~| NOTE the inner attribute doesn't annotate this module
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//~| NOTE the inner attribute doesn't annotate this module
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//~| NOTE the inner attribute doesn't annotate this module
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//~| NOTE the inner attribute doesn't annotate this module
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mod inner { #![inline] }
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//~^ ERROR attribute should be applied to function or closure
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//~| NOTE not a function or closure
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#[inline = "2100"] fn f() { }
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//~^ ERROR valid forms for the attribute are
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//~| WARN this was previously accepted
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//~| NOTE #[deny(ill_formed_attribute_input)]` on by default
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//~| NOTE for more information, see issue #57571 <https://github.com/rust-lang/rust/issues/57571>
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#[inline] struct S;
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//~^ ERROR attribute should be applied to function or closure
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//~| NOTE not a function or closure
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#[inline] type T = S;
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//~^ ERROR attribute should be applied to function or closure
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//~| NOTE not a function or closure
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#[inline] impl S { }
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//~^ ERROR attribute should be applied to function or closure
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//~| NOTE not a function or closure
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}
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#[no_link]
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//~^ ERROR attribute should be applied to an `extern crate` item
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mod no_link {
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//~^ NOTE not an `extern crate` item
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mod inner { #![no_link] }
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//~^ ERROR attribute should be applied to an `extern crate` item
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//~| NOTE not an `extern crate` item
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#[no_link] fn f() { }
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//~^ ERROR attribute should be applied to an `extern crate` item
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//~| NOTE not an `extern crate` item
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#[no_link] struct S;
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//~^ ERROR attribute should be applied to an `extern crate` item
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//~| NOTE not an `extern crate` item
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#[no_link]type T = S;
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//~^ ERROR attribute should be applied to an `extern crate` item
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//~| NOTE not an `extern crate` item
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#[no_link] impl S { }
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//~^ ERROR attribute should be applied to an `extern crate` item
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//~| NOTE not an `extern crate` item
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}
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#[export_name = "2200"]
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//~^ ERROR attribute should be applied to a free function, impl method or static
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mod export_name {
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//~^ NOTE not a free function, impl method or static
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mod inner { #![export_name="2200"] }
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//~^ ERROR attribute should be applied to a free function, impl method or static
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//~| NOTE not a free function, impl method or static
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#[export_name = "2200"] fn f() { }
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#[export_name = "2200"] struct S;
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//~^ ERROR attribute should be applied to a free function, impl method or static
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//~| NOTE not a free function, impl method or static
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#[export_name = "2200"] type T = S;
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//~^ ERROR attribute should be applied to a free function, impl method or static
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//~| NOTE not a free function, impl method or static
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#[export_name = "2200"] impl S { }
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//~^ ERROR attribute should be applied to a free function, impl method or static
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//~| NOTE not a free function, impl method or static
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trait Tr {
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#[export_name = "2200"] fn foo();
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//~^ ERROR attribute should be applied to a free function, impl method or static
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//~| NOTE not a free function, impl method or static
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#[export_name = "2200"] fn bar() {}
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//~^ ERROR attribute should be applied to a free function, impl method or static
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//~| NOTE not a free function, impl method or static
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}
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}
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#[start]
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//~^ ERROR: `start` attribute can only be used on functions
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mod start {
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mod inner { #![start] }
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//~^ ERROR: `start` attribute can only be used on functions
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// for `fn f()` case, see feature-gate-start.rs
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#[start] struct S;
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//~^ ERROR: `start` attribute can only be used on functions
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#[start] type T = S;
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//~^ ERROR: `start` attribute can only be used on functions
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#[start] impl S { }
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//~^ ERROR: `start` attribute can only be used on functions
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}
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#[repr(C)]
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//~^ ERROR: attribute should be applied to a struct, enum, or union
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mod repr {
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//~^ NOTE not a struct, enum, or union
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mod inner { #![repr(C)] }
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//~^ ERROR: attribute should be applied to a struct, enum, or union
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//~| NOTE not a struct, enum, or union
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#[repr(C)] fn f() { }
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//~^ ERROR: attribute should be applied to a struct, enum, or union
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//~| NOTE not a struct, enum, or union
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struct S;
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#[repr(C)] type T = S;
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//~^ ERROR: attribute should be applied to a struct, enum, or union
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//~| NOTE not a struct, enum, or union
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#[repr(C)] impl S { }
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//~^ ERROR: attribute should be applied to a struct, enum, or union
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//~| NOTE not a struct, enum, or union
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}
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#[repr(Rust)]
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//~^ ERROR: attribute should be applied to a struct, enum, or union
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mod repr_rust {
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//~^ NOTE not a struct, enum, or union
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mod inner { #![repr(Rust)] }
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//~^ ERROR: attribute should be applied to a struct, enum, or union
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//~| NOTE not a struct, enum, or union
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#[repr(Rust)] fn f() { }
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//~^ ERROR: attribute should be applied to a struct, enum, or union
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//~| NOTE not a struct, enum, or union
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struct S;
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#[repr(Rust)] type T = S;
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//~^ ERROR: attribute should be applied to a struct, enum, or union
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//~| NOTE not a struct, enum, or union
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#[repr(Rust)] impl S { }
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//~^ ERROR: attribute should be applied to a struct, enum, or union
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//~| NOTE not a struct, enum, or union
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}
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fn main() {}
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