inspections: unused assignment can be suppressed with "unused"

java/java-analysis-impl/src/com/intellij/codeInspection/defUse/DefUseInspectionBase.java

@@ -25,6 +25,7 @@ import com.intellij.util.containers.ContainerUtil;
 import gnu.trove.THashSet;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
 import javax.swing.event.ChangeEvent;
@@ -55,6 +56,12 @@ public class DefUseInspectionBase extends BaseJavaBatchLocalInspectionTool {
     };
   }
 
+  @Nullable
+  @Override
+  public String getAlternativeID() {
+    return "unused";
+  }
+
   private void checkCodeBlock(final PsiCodeBlock body,
                               final ProblemsHolder holder,
                               final boolean isOnTheFly) {