diff options
Diffstat (limited to 'src/test/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.rs')
-rw-r--r-- | src/test/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/test/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.rs b/src/test/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.rs new file mode 100644 index 000000000..f927dd189 --- /dev/null +++ b/src/test/ui/enum-discriminant/issue-70453-generics-in-discr-ice-2.rs @@ -0,0 +1,16 @@ +#![feature(arbitrary_enum_discriminant, core_intrinsics)] + +extern crate core; +use core::intrinsics::discriminant_value; + +#[repr(usize)] +enum MyWeirdOption<T> { + None = 0, + Some(T) = std::mem::size_of::<T>(), + //~^ ERROR generic parameters may not be used in const operations +} + +fn main() { + assert_eq!(discriminant_value(&MyWeirdOption::<u8>::None), 0); + assert_eq!(discriminant_value(&MyWeirdOption::Some(0u8)), 1); +} |