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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/macros/macro-shadowing.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/macros/macro-shadowing.rs')
-rw-r--r-- | tests/ui/macros/macro-shadowing.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/macros/macro-shadowing.rs b/tests/ui/macros/macro-shadowing.rs new file mode 100644 index 000000000..7f956dd7d --- /dev/null +++ b/tests/ui/macros/macro-shadowing.rs @@ -0,0 +1,26 @@ +// aux-build:two_macros.rs + +#![allow(unused_macros)] + +macro_rules! foo { () => {} } +macro_rules! macro_one { () => {} } +#[macro_use(macro_two)] extern crate two_macros; + +macro_rules! m1 { () => { + macro_rules! foo { () => {} } + + #[macro_use] //~ ERROR `macro_two` is already in scope + extern crate two_macros as __; +}} +m1!(); + +foo!(); //~ ERROR `foo` is ambiguous + +macro_rules! m2 { () => { + macro_rules! foo { () => {} } + foo!(); +}} +m2!(); +//^ Since `foo` is not used outside this expansion, it is not a shadowing error. + +fn main() {} |