1 files changed, 19 insertions, 0 deletions

diff --git a/tests/ui/parser/issues/issue-84148-1.stderr b/tests/ui/parser/issues/issue-84148-1.stderr
new file mode 100644
index 000000000..9261067c2
--- /dev/null
+++ b/tests/ui/parser/issues/issue-84148-1.stderr
@@ -0,0 +1,19 @@
+error: invalid `?` in type
+  --> $DIR/issue-84148-1.rs:1:14
+   |
+LL | fn f(t:for<>t?)
+   |              ^ `?` is only allowed on expressions, not types
+   |
+help: if you meant to express that the type might not contain a value, use the `Option` wrapper type
+   |
+LL | fn f(t:Option<for<>t>)
+   |        +++++++      ~
+
+error: expected one of `->`, `where`, or `{`, found `<eof>`
+  --> $DIR/issue-84148-1.rs:1:15
+   |
+LL | fn f(t:for<>t?)
+   |               ^ expected one of `->`, `where`, or `{`
+
+error: aborting due to 2 previous errors
+