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-rw-r--r--tests/ui/traits/alias/syntax-fail.rs10
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/traits/alias/syntax-fail.rs b/tests/ui/traits/alias/syntax-fail.rs
new file mode 100644
index 000000000..039bbce8c
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+++ b/tests/ui/traits/alias/syntax-fail.rs
@@ -0,0 +1,10 @@
+#![feature(trait_alias)]
+
+trait Foo {}
+auto trait A = Foo; //~ ERROR trait aliases cannot be `auto`
+unsafe trait B = Foo; //~ ERROR trait aliases cannot be `unsafe`
+
+trait C: Ord = Eq; //~ ERROR bounds are not allowed on trait aliases
+trait D: = Eq; //~ ERROR bounds are not allowed on trait aliases
+
+fn main() {}