Fix testDeclarationOfReferencedTypes01 and others

Signed-off-by: Rob Stryker <stryker@redhat.com>

org.eclipse.jdt.core/search/org/eclipse/jdt/internal/core/search/matching/TypeReferenceLocator.java

@@ -54,6 +54,7 @@ public class TypeReferenceLocator extends PatternLocator {
 
 private final int fineGrain;
 private final Map<QualifiedTypeReference, List<TypeBinding>> recordedResolutions = new HashMap<>();
+private List<IJavaElement> foundElements = new ArrayList<>();
 
 public TypeReferenceLocator(TypeReferencePattern pattern) {
 
@@ -1004,6 +1005,7 @@ public void recordResolution(QualifiedTypeReference typeReference, TypeBinding r
 public String toString() {
 	return "Locator for " + this.pattern.toString(); //$NON-NLS-1$
 }
+
 @Override
 public int resolveLevel(org.eclipse.jdt.core.dom.ASTNode node, IBinding binding, MatchLocator locator) {
 	if (binding == null) {
@@ -1039,7 +1041,7 @@ public int resolveLevel(org.eclipse.jdt.core.dom.ASTNode node, IBinding binding,
 			// We don't add this node. We manually add the declaration
 			ITypeBinding t2 = ((ITypeBinding) binding).getTypeDeclaration();
 			IJavaElement je = t2 == null ? null : t2.getJavaElement();
-			if( je != null && DOMASTNodeUtils.isWithinRange(node, enclosing)) {
+			if( je != null && !this.foundElements.contains(je) && DOMASTNodeUtils.isWithinRange(node, enclosing)) {
 				ISourceReference sr = je instanceof ISourceReference ? (ISourceReference)je : null;
 				IResource r = null;
 				ISourceRange srg = null;
@@ -1058,6 +1060,7 @@ public int resolveLevel(org.eclipse.jdt.core.dom.ASTNode node, IBinding binding,
 							rangeToUse.getOffset(), rangeToUse.getLength(),
 							locator.getParticipant(), r);
 					try {
+						foundElements.add(je);
 						locator.report(tdm);
 					} catch(CoreException ce) {
 						// ignore