diff options
Diffstat (limited to 'src/test/ui/recursion/issue-26548-recursion-via-normalize.rs')
| -rw-r--r-- | src/test/ui/recursion/issue-26548-recursion-via-normalize.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/recursion/issue-26548-recursion-via-normalize.rs b/src/test/ui/recursion/issue-26548-recursion-via-normalize.rs new file mode 100644 index 000000000..91958dffc --- /dev/null +++ b/src/test/ui/recursion/issue-26548-recursion-via-normalize.rs @@ -0,0 +1,17 @@ +//~ ERROR cycle detected when computing layout of `core::option::Option<S>` +//~| NOTE ...which requires computing layout of `S`... +//~| NOTE ...which requires computing layout of `core::option::Option<<S as Mirror>::It>`... +//~| NOTE ...which again requires computing layout of `core::option::Option<S>`, completing the cycle +//~| NOTE cycle used when computing layout of `core::option::Option<<S as Mirror>::It>` + +trait Mirror { + type It: ?Sized; +} +impl<T: ?Sized> Mirror for T { + type It = Self; +} +struct S(Option<<S as Mirror>::It>); + +fn main() { + let _s = S(None); +} |