ClsMethod.getNavigationElement() may be not a method anymore

java/java-impl/src/com/intellij/psi/impl/compiled/ClsMethodImpl.java

@@ -336,18 +336,23 @@ public class ClsMethodImpl extends ClsRepositoryPsiElement<PsiMethodStub> implem
   }
 
   @NotNull
-  public PsiElement getNavigationElement() {
+  public PsiMethod getSourceMirrorMethod() {
     PsiClass sourceClassMirror = ((ClsClassImpl)getParent()).getSourceMirrorClass();
     if (sourceClassMirror == null) return this;
-    final PsiMethod[] methodsByName = sourceClassMirror.findMethodsByName(getName(), false);
-    for (PsiMethod sourceMethod : methodsByName) {
-      if (MethodSignatureUtil.areParametersErasureEqual(this, sourceMethod) && sourceMethod != this) {
-        return sourceMethod.getNavigationElement();
+    for (PsiMethod sourceMethod : sourceClassMirror.findMethodsByName(getName(), false)) {
+      if (MethodSignatureUtil.areParametersErasureEqual(this, sourceMethod)) {
+        return sourceMethod;
       }
     }
     return this;
   }
 
+  @NotNull
+  public PsiElement getNavigationElement() {
+    final PsiMethod method = getSourceMirrorMethod();
+    return method != this ? method.getNavigationElement() : this;
+  }
+
   public PsiTypeParameterList getTypeParameterList() {
     return getStub().findChildStubByType(JavaStubElementTypes.TYPE_PARAMETER_LIST).getPsi();
   }

java/java-impl/src/com/intellij/psi/impl/compiled/ClsParameterImpl.java

@@ -63,7 +63,7 @@ public class ClsParameterImpl extends ClsRepositoryPsiElement<PsiParameterStub>
       }
 
       ClsMethodImpl method = (ClsMethodImpl)getDeclarationScope();
-      PsiMethod sourceMethod = (PsiMethod)method.getNavigationElement();
+      PsiMethod sourceMethod = method.getSourceMirrorMethod();
       if (sourceMethod == method) {
         final PsiParameterStubImpl parameterStub = (PsiParameterStubImpl) getStub();
         if (!parameterStub.isAutoGeneratedName()) {