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| -rw-r--r-- | src/librustc_data_structures/macros.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/librustc_data_structures/macros.rs b/src/librustc_data_structures/macros.rs index a661f0c78ab..af1f2910461 100644 --- a/src/librustc_data_structures/macros.rs +++ b/src/librustc_data_structures/macros.rs @@ -1,7 +1,8 @@ /// A simple static assertion macro. The first argument should be a unique /// ALL_CAPS identifier that describes the condition. #[macro_export] -#[allow_internal_unstable] +#[cfg_attr(stage0, allow_internal_unstable)] +#[cfg_attr(not(stage0), allow_internal_unstable(type_ascription))] macro_rules! static_assert { ($name:ident: $test:expr) => { // Use the bool to access an array such that if the bool is false, the access |