[releng] Fix some warnings

2 files changed, 3 insertions, 2 deletions

diff --git a/plugins/org.eclipse.qvtd.runtime/src/org/eclipse/qvtd/runtime/evaluation/IterableAsSet.java b/plugins/org.eclipse.qvtd.runtime/src/org/eclipse/qvtd/runtime/evaluation/IterableAsSet.java
index 1dec4bff9..060953649 100644
--- a/plugins/org.eclipse.qvtd.runtime/src/org/eclipse/qvtd/runtime/evaluation/IterableAsSet.java
+++ b/plugins/org.eclipse.qvtd.runtime/src/org/eclipse/qvtd/runtime/evaluation/IterableAsSet.java
@@ -36,7 +36,7 @@ class IterableAsSet<T> implements Set<T>
 	}
 
 	@Override
-	public boolean addAll(Collection<? extends T> c) {
+	public boolean addAll(@NonNull Collection<? extends T> c) {
 		throw new UnsupportedOperationException();
 	}
 
@@ -75,6 +75,7 @@ class IterableAsSet<T> implements Set<T>
 		return Iterables.isEmpty(iterable);
 	}
 
+	@SuppressWarnings("unchecked")
 	@Override
 	public @NonNull Iterator<T> iterator() {
 		return (Iterator<T>) iterable.iterator();
diff --git a/plugins/org.eclipse.qvtd.runtime/src/org/eclipse/qvtd/runtime/internal/evaluation/LazyObjectManager.java b/plugins/org.eclipse.qvtd.runtime/src/org/eclipse/qvtd/runtime/internal/evaluation/LazyObjectManager.java
index 55f48860f..90157a7f2 100644
--- a/plugins/org.eclipse.qvtd.runtime/src/org/eclipse/qvtd/runtime/internal/evaluation/LazyObjectManager.java
+++ b/plugins/org.eclipse.qvtd.runtime/src/org/eclipse/qvtd/runtime/internal/evaluation/LazyObjectManager.java
@@ -1009,7 +1009,7 @@ public class LazyObjectManager extends AbstractObjectManager
 							upper = PivotConstantsInternal.ANNOTATED_IMPLICIT_OPPOSITE_UPPER_VALUE;
 						}
 						eOppositeReference2.setUpperBound(upper.isUnlimited() ? -1 : upper.intValue());
-						if (!upper.equals(ValueUtil.ONE_VALUE)) {
+						if (!((IntegerValue)upper).equals(ValueUtil.ONE_VALUE)) {
 							String uniqueValue = details.get("unique");
 							boolean isUnique = uniqueValue != null ? Boolean.valueOf(uniqueValue) : PivotConstantsInternal.ANNOTATED_IMPLICIT_OPPOSITE_UNIQUE;
 							eOppositeReference2.setUnique(isUnique);