new inference: diamond in lambda return workaround

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

@@ -0,0 +1,9 @@
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+class Test {
+  Set<String> collect(Stream<String> map){
+    return map.collect(Collectors.toCollection(() -> new LinkedHashSet<>()));
+  }
+}