bad code green: reject return type constraint if unchecked conversion was applied during applicability check and return type is type parameter

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

@@ -429,6 +429,10 @@ public class GraphInferenceHighlightingTest extends LightDaemonAnalyzerTestCase
     doTest();
   }
 
+  public void testPrimitiveTypeInReturnConstraintWithUncheckedConversion() throws Exception {
+    doTest();
+  }
+
   public void testVariableNamesOfNestedCalls() throws Exception {
     IdeaTestUtil.setTestVersion(JavaSdkVersion.JDK_1_8, getModule(), getTestRootDisposable());
     String filePath = BASE_PATH + "/" + getTestName(false) + ".java";