IG: handle Evaluate Expression fragments in quick fix (IDEA-CR-45917)

plugins/InspectionGadgets/InspectionGadgetsAnalysis/src/com/siyeh/ig/bugs/ClassNewInstanceInspection.java

@@ -90,9 +90,6 @@ public class ClassNewInstanceInspection extends BaseInspection {
         final PsiMethod method = (PsiMethod)parentOfType;
         addThrowsClause(method, "java.lang.NoSuchMethodException", "java.lang.reflect.InvocationTargetException");
       }
-      else {
-        assert false;
-      }
       final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression)grandParent;
       @NonNls final String newExpression = qualifier.getText() + ".getConstructor().newInstance()";
       PsiReplacementUtil.replaceExpression(methodCallExpression, newExpression, new CommentTracker());

plugins/InspectionGadgets/test/com/siyeh/igfixes/bugs/class_new_instance/BrokenCode.after.java

@@ -0,0 +1,4 @@
+class BrokenCode {
+
+  String s = String.class.getConstructor().newInstance();
+}

plugins/InspectionGadgets/test/com/siyeh/igfixes/bugs/class_new_instance/BrokenCode.java

@@ -0,0 +1,4 @@
+class BrokenCode {
+
+  String s = String.class.newInstance<caret>();
+}

plugins/InspectionGadgets/testsrc/com/siyeh/ig/fixes/bugs/ClassNewInstanceFixTest.java

@@ -16,6 +16,7 @@ public class ClassNewInstanceFixTest extends IGQuickFixesTestCase {
   public void testCreateCatchBlocks() { doTest(); }
   public void testSkipCatchBlocks() { doTest(); }
   public void testAddThrows() { doTest(); }
+  public void testBrokenCode() { doTest(); }
 
   @Override
   public void setUp() throws Exception {