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diff --git a/src/test/ui/or-patterns/or-patterns-syntactic-fail-2018.rs b/src/test/ui/or-patterns/or-patterns-syntactic-fail-2018.rs
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+++ b/src/test/ui/or-patterns/or-patterns-syntactic-fail-2018.rs
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+// Test that :pat doesn't accept top-level or-patterns in edition 2018.
+
+// edition:2018
+
+#![feature(or_patterns)]
+
+fn main() {}
+
+// Test the `pat` macro fragment parser:
+macro_rules! accept_pat {
+    ($p:pat) => {};
+}
+
+accept_pat!(p | q); //~ ERROR no rules expected the token `|`
+accept_pat!(|p| q); //~ ERROR no rules expected the token `|`