unused declaration: ensure unused local variables are reported inside entry points; suppress works for locals (IDEA-166622)

java/java-tests/testData/inspection/deadCode/localVariables/expected.xml

@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<problems>  
+<problems>
+  <problem>
+    <file>A.java</file>
+    <description>Variable &lt;code&gt;i&lt;/code&gt; is never used</description>
+  </problem>
 </problems>
 

java/java-tests/testData/inspection/deadCode/localVariables/src/A.java

@@ -1,6 +1,7 @@
 class A {
   public static void main(String[] args) {
     int i = 0;
+    @SuppressWarning("unused") int j = 0;
   }
 }