Remove `final_arg_types`, improve tuple wrapping suggestion

1 files changed, 10 insertions, 0 deletions

diff --git a/src/test/ui/tuple/add-tuple-within-arguments.rs b/src/test/ui/tuple/add-tuple-within-arguments.rs
new file mode 100644
index 00000000000..089c703fda5
--- /dev/null
+++ b/src/test/ui/tuple/add-tuple-within-arguments.rs
@@ -0,0 +1,10 @@
+fn foo(s: &str, a: (i32, i32), s2: &str) {}
+
+fn bar(s: &str, a: (&str,), s2: &str) {}
+
+fn main() {
+    foo("hi", 1, 2, "hi");
+    //~^ ERROR this function takes 3 arguments but 4 arguments were supplied
+    bar("hi", "hi", "hi");
+    //~^ ERROR mismatched types
+}