diff options
Diffstat (limited to 'tests/ui/macros/duplicate-builtin.rs')
-rw-r--r-- | tests/ui/macros/duplicate-builtin.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/macros/duplicate-builtin.rs b/tests/ui/macros/duplicate-builtin.rs new file mode 100644 index 000000000..35f0f4290 --- /dev/null +++ b/tests/ui/macros/duplicate-builtin.rs @@ -0,0 +1,17 @@ +// compile-flags:--crate-type lib +#![feature(decl_macro)] +#![feature(rustc_attrs)] + +#[rustc_builtin_macro] +pub macro test($item:item) { +//~^ NOTE previously defined + /* compiler built-in */ +} + +mod inner { + #[rustc_builtin_macro] + pub macro test($item:item) { + //~^ ERROR attempted to define built-in macro more than once [E0773] + /* compiler built-in */ + } +} |