diff options
Diffstat (limited to 'src/test/ui/lint/inert-attr-macro.rs')
-rw-r--r-- | src/test/ui/lint/inert-attr-macro.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/lint/inert-attr-macro.rs b/src/test/ui/lint/inert-attr-macro.rs new file mode 100644 index 000000000..dc0bb8ac2 --- /dev/null +++ b/src/test/ui/lint/inert-attr-macro.rs @@ -0,0 +1,20 @@ +// check-pass + +#![warn(unused)] + +macro_rules! foo { + () => {} +} + +fn main() { + #[inline] foo!(); //~ WARN unused attribute `inline` + + // This does nothing, since `#[allow(warnings)]` is itself + // an inert attribute on a macro call + #[allow(warnings)] #[inline] foo!(); //~ WARN unused attribute `allow` + //~^ WARN unused attribute `inline` + + // This does work, since the attribute is on a parent + // of the macro invocation. + #[allow(warnings)] { #[inline] foo!(); } +} |