1 files changed, 5 insertions, 0 deletions

diff --git a/test/testdata/parse-fail-patterns-1.err.exp b/test/testdata/parse-fail-patterns-1.err.exp
new file mode 100644
index 0000000..6ba39d8
--- /dev/null
+++ b/test/testdata/parse-fail-patterns-1.err.exp
@@ -0,0 +1,5 @@
+error: duplicate formal function argument 'args'
+       at «stdin»:1:1:
+            1| args@{args, x, y, z}: x
+             | ^
+            2|