Move /src/test to /tests

tests/ui/lint/dead-code/multiple-dead-codes-in-the-same-struct.rs

@@ -0,0 +1,29 @@
+#![warn(dead_code)]
+
+struct Bar {
+    #[allow(dead_code)]
+    a: usize,
+    #[forbid(dead_code)]
+    b: usize, //~ ERROR field `b` is never read
+    #[deny(dead_code)]
+    c: usize, //~ ERROR fields `c` and `e` are never read
+    d: usize, //~ WARN fields `d`, `f`, and `g` are never read
+    #[deny(dead_code)]
+    e: usize,
+    f: usize,
+    g: usize,
+    _h: usize,
+}
+
+fn main() {
+    Bar {
+        a: 1,
+        b: 1,
+        c: 1,
+        d: 1,
+        e: 1,
+        f: 1,
+        g: 1,
+        _h: 1,
+    };
+}