erasure of method call expression type if method is not generics but unchecked conversion was needed to check the applicability (IDEA-157223)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting8/ErasureOfReturnTypeOfNonGenericMethod.java

@@ -0,0 +1,19 @@
+import java.util.Comparator;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+class Test {
+  public static <Om> List<Om> sort(Comparator comp, Stream<Om> stream) {
+    <error descr="Incompatible types. Found: 'java.lang.Object', required: 'java.util.List<Om>'">return stream.sorted(comp).collect(Collectors.toList());</error>
+  }
+
+  //accept unbounded wildcards
+  List<String> get(List<?> lists) {
+    return null;
+  }
+
+  void foo(List l) {
+    String p = get(l).get(0);
+  }
+}