Merge ref '6bcdcc73bd11' from rust-lang/rust

Pull recent changes from https://github.com/rust-lang/rust via Josh.

Upstream ref: 6bcdcc73bd11568fd85f5a38b58e1eda054ad1cd
Filtered ref: 6cc4ce79e1f8dc0ec5a2e18049b9c1a51dee3221

This merge was created using https://github.com/rust-lang/josh-sync.

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/ui/pattern/unit-pattern-matching-in-function-argument-7519.rs b/tests/ui/pattern/unit-pattern-matching-in-function-argument-7519.rs
new file mode 100644
index 00000000000..7bfa9ee6625
--- /dev/null
+++ b/tests/ui/pattern/unit-pattern-matching-in-function-argument-7519.rs
@@ -0,0 +1,12 @@
+//@ run-pass
+
+/*
+#7519 ICE pattern matching unit in function argument
+https://github.com/rust-lang/rust/issues/7519
+*/
+
+fn foo(():()) { }
+
+pub fn main() {
+    foo(());
+}