diff options
Diffstat (limited to 'src/test/ui/generics/generic-type-params-forward-mention.rs')
| -rw-r--r-- | src/test/ui/generics/generic-type-params-forward-mention.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/test/ui/generics/generic-type-params-forward-mention.rs b/src/test/ui/generics/generic-type-params-forward-mention.rs new file mode 100644 index 000000000..000c47095 --- /dev/null +++ b/src/test/ui/generics/generic-type-params-forward-mention.rs @@ -0,0 +1,6 @@ +// Ensure that we get an error and not an ICE for this problematic case. +struct Foo<T = Option<U>, U = bool>(T, U); +//~^ ERROR generic parameters with a default cannot use forward declared identifiers +fn main() { + let x: Foo; +} |