More tests.

src/test/ui/loops/loop-no-implicit-break.rs

@@ -1,5 +1,27 @@
 fn main() {
-    let x: i8 = loop {
-        10 //~ ERROR mismatched types
+    let a: i8 = loop {
+        1 //~ ERROR mismatched types
+    };
+
+    let b: i8 = loop {
+        break 1;
     };
 }
+
+fn foo() -> i8 {
+    let a: i8 = loop {
+        1 //~ ERROR mismatched types
+    };
+
+    let b: i8 = loop {
+        break 1;
+    };
+
+    loop {
+        1 //~ ERROR mismatched types
+    }
+
+    loop {
+        return 1;
+    }
+}

src/test/ui/loops/loop-no-implicit-break.stderr

@@ -1,14 +1,36 @@
 error[E0308]: mismatched types
   --> $DIR/loop-no-implicit-break.rs:3:9
    |
-LL |         10
-   |         ^^ expected `()`, found integer
+LL |         1
+   |         ^ expected `()`, found integer
    |
 help: you might have meant to break the loop with this value
    |
-LL |         break 10;
-   |         ^^^^^   ^
+LL |         break 1;
+   |         ^^^^^  ^
 
-error: aborting due to previous error
+error[E0308]: mismatched types
+  --> $DIR/loop-no-implicit-break.rs:13:9
+   |
+LL |         1
+   |         ^ expected `()`, found integer
+   |
+help: you might have meant to break the loop with this value
+   |
+LL |         break 1;
+   |         ^^^^^  ^
+
+error[E0308]: mismatched types
+  --> $DIR/loop-no-implicit-break.rs:21:9
+   |
+LL |         1
+   |         ^ expected `()`, found integer
+   |
+help: you might have meant to return this value
+   |
+LL |         return 1;
+   |         ^^^^^^  ^
+
+error: aborting due to 3 previous errors
 
 For more information about this error, try `rustc --explain E0308`.