Add test with unsafe block to check rust-lang#9503 is fixed too

s

Author: kraktus

tests/ui/needless_return.fixed

@@ -260,4 +260,14 @@ fn issue9192() -> i32 {
     }
 }
 
+fn issue9503(x: usize) -> isize {
+    unsafe {
+        if x > 12 {
+            *(x as *const isize)
+        } else {
+            !*(x as *const isize)
+        }
+    }
+}
+
 fn main() {}

tests/ui/needless_return.rs

@@ -260,4 +260,14 @@ fn issue9192() -> i32 {
     };
 }
 
+fn issue9503(x: usize) -> isize {
+    unsafe {
+        if x > 12 {
+            return *(x as *const isize);
+        } else {
+            return !*(x as *const isize);
+        };
+    };
+}
+
 fn main() {}

tests/ui/needless_return.stderr

@@ -335,5 +335,21 @@ LL |         return 0;
    |
    = help: remove `return`
 
-error: aborting due to 42 previous errors
+error: unneeded `return` statement
+  --> $DIR/needless_return.rs:266:13
+   |
+LL |             return *(x as *const isize);
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: remove `return`
+
+error: unneeded `return` statement
+  --> $DIR/needless_return.rs:268:13
+   |
+LL |             return !*(x as *const isize);
+   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = help: remove `return`
+
+error: aborting due to 44 previous errors