[groovy] don't treat [] as constructor invocation if assigned to j.l.Class

plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/findUsages/LiteralConstructorReference.java

@@ -142,6 +142,7 @@ public class LiteralConstructorReference extends PsiReferenceBase.Poly<GrListOrM
   private static PsiClassType filterOutTrashTypes(PsiType type) {
     if (!(type instanceof PsiClassType)) return null;
     if (type.equalsToText(CommonClassNames.JAVA_LANG_OBJECT)) return null;
+    if (TypesUtil.resolvesTo(type, CommonClassNames.JAVA_LANG_CLASS)) return null;
     if (TypesUtil.resolvesTo(type, CommonClassNames.JAVA_UTIL_MAP)) return null;
     if (TypesUtil.resolvesTo(type, CommonClassNames.JAVA_UTIL_HASH_MAP)) return null;
     if (TypesUtil.resolvesTo(type, CommonClassNames.JAVA_UTIL_LIST)) return null;

plugins/groovy/testdata/highlighting/typecheck/TypeCheckClass.groovy

@@ -56,7 +56,7 @@ class FooClass {
     <warning descr="Cannot assign 'Closure<Integer>' to 'Class'">c</warning> = { int a, int b -> a + b }
     <warning descr="Cannot assign 'Object' to 'Class'">c</warning> = o
     <warning descr="Cannot assign 'Matcher' to 'Class'">c</warning> = "aaa" =~ /aaa/
-    c = <error descr="Constructor 'Class' in 'java.lang.Class' cannot be applied to '()'">[]</error>
+    <warning descr="Cannot assign 'List' to 'Class'">c</warning> = []
     c = "java.util.List"
     c = List
   }
@@ -82,7 +82,7 @@ class FooClass {
     Class <warning descr="Cannot assign 'Closure<Integer>' to 'Class'">c17</warning> = { int a, int b -> a + b }
     Class <warning descr="Cannot assign 'Object' to 'Class'">c18</warning> = o
     Class <warning descr="Cannot assign 'Matcher' to 'Class'">c19</warning> = "aaa" =~ /aaa/
-    Class c20 = <error descr="Constructor 'Class' in 'java.lang.Class' cannot be applied to '()'">[]</error>
+    Class <warning descr="Cannot assign 'List' to 'Class'">c20</warning> = []
     Class c21 = "java.util.List"
     Class c22 = List
   }