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-rw-r--r--tests/ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.stderr12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.stderr b/tests/ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.stderr
new file mode 100644
index 000000000..6bebbc01f
--- /dev/null
+++ b/tests/ui/impl-trait/issues/issue-57979-deeply-nested-impl-trait-in-assoc-proj.stderr
@@ -0,0 +1,12 @@
+error[E0666]: nested `impl Trait` is not allowed
+ --> $DIR/issue-57979-deeply-nested-impl-trait-in-assoc-proj.rs:14:48
+ |
+LL | pub fn demo(_: impl Quux<Assoc=Deeper<impl Foo<impl Bar>>>) { }
+ | ---------^^^^^^^^-
+ | | |
+ | | nested `impl Trait` here
+ | outer `impl Trait`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0666`.