Fix some code smells found by SonarQube.

asm-analysis/src/main/java/org/objectweb/asm/tree/analysis/SourceValue.java

@@ -65,7 +65,7 @@ public class SourceValue implements Value {
    *     short, int, float, object and array types, and 2 for long and double.
    */
   public SourceValue(final int size) {
-    this(size, new SmallSet<AbstractInsnNode>());
+    this(size, new SmallSet<>());
   }
 
   /**

asm-util/src/main/java/org/objectweb/asm/util/CheckMethodAdapter.java

@@ -352,7 +352,7 @@ public class CheckMethodAdapter extends MethodVisitor {
    * @param methodvisitor the method visitor to which this adapter must delegate calls.
    */
   public CheckMethodAdapter(final MethodVisitor methodvisitor) {
-    this(methodvisitor, new HashMap<Label, Integer>());
+    this(methodvisitor, new HashMap<>());
   }
 
   /**
@@ -462,9 +462,7 @@ public class CheckMethodAdapter extends MethodVisitor {
               } else {
                 analyzer.analyzeAndComputeMaxs("dummy", this);
               }
-            } catch (IndexOutOfBoundsException e) {
-              throwError(analyzer, e);
-            } catch (AnalyzerException e) {
+            } catch (IndexOutOfBoundsException | AnalyzerException e) {
               throwError(analyzer, e);
             }
             if (methodVisitor != null) {