simplified isAssignable check

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

@@ -893,9 +893,6 @@ public class TypeConversionUtil {
     PsiSubstitutor leftSubstitutor = leftResult.getSubstitutor();
 
     if (!leftClass.getManager().areElementsEquivalent(leftClass, rightClass)) {
-      if (!allowUncheckedConversion && PsiUtil.isRawSubstitutor(leftClass, leftSubstitutor) && !rightClass.hasTypeParameters() && !(rightClass instanceof PsiTypeParameter)) {
-        return false;
-      }
       rightSubstitutor = getSuperClassSubstitutor(leftClass, rightClass, rightSubstitutor);
       rightClass = leftClass;
     }

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

@@ -0,0 +1,18 @@
+import java.io.*;
+import java.util.*;
+
+interface Foo {
+    String getText(Map attributes) throws IOException;
+    String getText(Properties attributes) throws IOException;
+}
+
+class Bar {
+    void foo(Foo foo, Properties prop) throws IOException {
+        foo.getText(prop);
+    }
+}
+public abstract class Hashtable<K,V> implements Map<K,V>, Cloneable {
+}
+
+public abstract class Properties extends Hashtable<Object,Object> {
+}

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

@@ -314,6 +314,7 @@ public class GenericsHighlightingTest extends LightDaemonAnalyzerTestCase {
   public void testBoxingSpecific() { doTest5(false); }
   public void testIDEA67843() { doTest5(false); }
   public void testAmbiguousTypeParamVsConcrete() { doTest5(false); }
+  public void testRawAssignments() throws Exception { doTest5(false); }
 
   public void testJavaUtilCollections_NoVerify() throws Exception {
     PsiClass collectionsClass = getJavaFacade().findClass("java.util.Collections", GlobalSearchScope.moduleWithLibrariesScope(getModule()));