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Diffstat (limited to 'crates/hir-def/src/macro_expansion_tests/mbe/regression.rs')
| -rw-r--r-- | crates/hir-def/src/macro_expansion_tests/mbe/regression.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/crates/hir-def/src/macro_expansion_tests/mbe/regression.rs b/crates/hir-def/src/macro_expansion_tests/mbe/regression.rs index 2886b2a366..9010050ee6 100644 --- a/crates/hir-def/src/macro_expansion_tests/mbe/regression.rs +++ b/crates/hir-def/src/macro_expansion_tests/mbe/regression.rs @@ -1004,3 +1004,29 @@ fn main() { "##]], ); } + +#[test] +fn eager_concat_bytes_panic() { + check( + r#" +#[rustc_builtin_macro] +#[macro_export] +macro_rules! concat_bytes {} + +fn main() { + let x = concat_bytes!(2); +} + +"#, + expect![[r#" +#[rustc_builtin_macro] +#[macro_export] +macro_rules! concat_bytes {} + +fn main() { + let x = /* error: unexpected token in input */[]; +} + +"#]], + ); +} |