capture getClass type inside expressions list (IDEA-57877)

java/java-psi-api/src/com/intellij/psi/util/PsiTypesUtil.java

@@ -177,7 +177,7 @@ public class PsiTypesUtil {
           final PsiClassType classType = JavaPsiFacade.getInstance(project).getElementFactory()
             .createType(javaLangClass, substitutor, languageLevel);
           final PsiElement parent = call.getParent();
-          return parent instanceof PsiReferenceExpression && parent.getParent() instanceof PsiMethodCallExpression
+          return parent instanceof PsiReferenceExpression && parent.getParent() instanceof PsiMethodCallExpression || parent instanceof PsiExpressionList
                  ? PsiUtil.captureToplevelWildcards(classType, methodExpression) : classType;
         }
       }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/IDEA57877.java

@@ -0,0 +1,8 @@
+import java.util.*;
+
+class Test {
+  {
+    Object obj = new Object();
+    <error descr="Incompatible types. Found: 'java.util.Set<java.lang.Class<capture<? extends java.lang.Object>>>', required: 'java.util.Set<java.lang.Class<?>>'">Set<Class<?>> types = Collections.singleton(obj.getClass());</error>
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/GenericsHighlightingTest.java

@@ -235,6 +235,8 @@ public class GenericsHighlightingTest extends LightDaemonAnalyzerTestCase {
   public void testIDEA20244() throws Exception { doTest5(false);}
   public void testIDEA22005() throws Exception { doTest5(false);}
 
+  public void testIDEA57877() throws Exception { doTest5(false);}
+
   public void testIDEA27185(){ doTest(LanguageLevel.JDK_1_6, JavaSdkVersion.JDK_1_6, false); }
   public void testIDEA67571(){ doTest(LanguageLevel.JDK_1_7, JavaSdkVersion.JDK_1_7, false); }