Account for `match` expr in single line

When encountering `match Some(42) { Some(x) => x, None => "" };`, output

```
error[E0308]: `match` arms have incompatible types
 --> f53.rs:2:52
  |
2 |     let _ = match Some(42) { Some(x) => x, None => "" };
  |             --------------              -          ^^ expected integer, found `&str`
  |             |                           |
  |             |                           this is found to be of type `{integer}`
  |             `match` arms have incompatible types
  ```

2 files changed, 15 insertions, 0 deletions

diff --git a/src/test/ui/match/single-line.rs b/src/test/ui/match/single-line.rs
new file mode 100644
index 00000000000..0f69d089f9a
--- /dev/null
+++ b/src/test/ui/match/single-line.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let _ = match Some(42) { Some(x) => x, None => "" }; //~ ERROR E0308
+}
diff --git a/src/test/ui/match/single-line.stderr b/src/test/ui/match/single-line.stderr
new file mode 100644
index 00000000000..ec3b76e3f4d
--- /dev/null
+++ b/src/test/ui/match/single-line.stderr
@@ -0,0 +1,12 @@
+error[E0308]: `match` arms have incompatible types
+  --> $DIR/single-line.rs:2:52
+   |
+LL |     let _ = match Some(42) { Some(x) => x, None => "" };
+   |             --------------              -          ^^ expected integer, found `&str`
+   |             |                           |
+   |             |                           this is found to be of type `{integer}`
+   |             `match` arms have incompatible types
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0308`.