revert (java: minor optimization)

only freshly build stubs were counted, wrong default for restored ones

java/java-psi-impl/src/com/intellij/psi/impl/java/stubs/impl/PsiParameterStubImpl.java

@@ -26,12 +26,13 @@ import com.intellij.psi.stubs.StubElement;
 import com.intellij.util.io.StringRef;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.List;
+
 /**
  * @author max
  */
 public class PsiParameterStubImpl extends StubBase<PsiParameter> implements PsiParameterStub {
   private StringRef myName;
-  private boolean myGeneratedName = true;
   private final TypeInfo myType;
   private final boolean myIsEllipsis;
 
@@ -80,11 +81,18 @@ public class PsiParameterStubImpl extends StubBase<PsiParameter> implements PsiP
 
   public void setName(String name) {
     myName = StringRef.fromString(name);
-    myGeneratedName = false;
   }
 
   public boolean isAutoGeneratedName() {
-    return myGeneratedName;
+    final List children = getParentStub().getChildrenStubs();
+    int paramIndex = 0;
+    for (Object o : children) {
+      if (o instanceof PsiParameterStub) {
+        paramIndex++;
+        if (o == this) break;
+      }
+    }
+    return ("p" + paramIndex).equals(getName());
   }
 
   @Override