lambda: fix parameter types comparing order (IDEA-126056)

java/java-psi-api/src/com/intellij/psi/LambdaHighlightingUtil.java

@@ -66,7 +66,7 @@ public class LambdaHighlightingUtil {
             return lambdaParameter;
           }
         } else {
-          if (!TypeConversionUtil.isAssignable(lambdaParameterType, substitutedParamType)) {
+          if (!TypeConversionUtil.isAssignable(substitutedParamType, lambdaParameterType)) {
             return lambdaParameter;
           }
         }

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newLambda/IDEA126056.java

@@ -0,0 +1,27 @@
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Predicate;
+import java.util.stream.Stream;
+
+class StreamTest {
+  public class Foo {}
+
+  List<? super Foo> all = new ArrayList<>();
+
+  void foo(final Predicate<Object> predicate, final Stream<? super Foo> stream){
+    long the_count= stream.filter((a) -> predicate.test(a)).count();
+  }
+
+  void foo1(final Predicate<Object> predicate, final Stream<? extends Foo> stream){
+    long the_count= stream.filter((a) -> predicate.test(a)).count();
+  }
+
+  void foo2(final Predicate<Object> predicate, final Stream<Foo> stream){
+    long the_count= stream.filter((a) -> predicate.test(a)).count();
+  }
+  
+}
+
+
+
+

java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/NewLambdaHighlightingTest.java

@@ -222,6 +222,10 @@ public class NewLambdaHighlightingTest extends LightDaemonAnalyzerTestCase {
     doTest();
   }
 
+  public void testIDEA126056() throws Exception {
+    doTest();
+  }
+
   private void doTest() {
     doTest(false);
   }