1 files changed, 17 insertions, 0 deletions

diff --git a/tests/ui/parser/issues/issue-17904.stderr b/tests/ui/parser/issues/issue-17904.stderr
new file mode 100644
index 000000000..aa343975d
--- /dev/null
+++ b/tests/ui/parser/issues/issue-17904.stderr
@@ -0,0 +1,17 @@
+error: where clauses are not allowed before tuple struct bodies
+  --> $DIR/issue-17904.rs:6:15
+   |
+LL | struct Foo<T> where T: Copy, (T);
+   |        ---    ^^^^^^^^^^^^^^ --- the struct body
+   |        |      |
+   |        |      unexpected where clause
+   |        while parsing this tuple struct
+   |
+help: move the body before the where clause
+   |
+LL - struct Foo<T> where T: Copy, (T);
+LL + struct Foo<T>(T) where T: Copy;
+   |
+
+error: aborting due to previous error
+