Merge tag 'debian/1.52.1+dfsg1-1_exp2' into proxmox/buster

[rustc.git] / src / test / ui / traits / alias / syntax-fail.rs

diff --git a/src/test/ui/traits/alias/syntax-fail.rs b/src/test/ui/traits/alias/syntax-fail.rs
new file mode 100644 (file)
index 0000000..039bbce
--- /dev/null
+++ b/src/test/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() {}