Fixed calling inherited SAM adapter.

compiler/backend/src/org/jetbrains/jet/codegen/ExpressionCodegen.java

@@ -1806,7 +1806,18 @@ public class ExpressionCodegen extends JetVisitor<StackValue, StackValue> implem
             return null;
         }
         SimpleFunctionDescriptor original = ((SimpleFunctionDescriptor) fun).getOriginal();
-        return bindingContext.get(SAM_ADAPTER_FUNCTION_TO_ORIGINAL, original);
+        if (original.getKind() == CallableMemberDescriptor.Kind.SYNTHESIZED) {
+            return bindingContext.get(SAM_ADAPTER_FUNCTION_TO_ORIGINAL, original);
+        }
+        if (original.getKind() == CallableMemberDescriptor.Kind.FAKE_OVERRIDE) {
+            for (FunctionDescriptor overridden : original.getOverriddenDescriptors()) {
+                SimpleFunctionDescriptor originalIfSamAdapter = getOriginalIfSamAdapter(overridden);
+                if (originalIfSamAdapter != null) {
+                    return originalIfSamAdapter;
+                }
+            }
+        }
+        return null;
     }
 
     private StackValue invokeSamConstructor(

compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/tasks/TaskPrioritizer.java

@@ -106,8 +106,22 @@ public class TaskPrioritizer {
 
             private boolean isSynthesized(ResolutionCandidate<D> call) {
                 D descriptor = call.getDescriptor();
-                return descriptor instanceof CallableMemberDescriptor &&
+                return descriptor instanceof CallableMemberDescriptor && isOrOverridesSynthesized((CallableMemberDescriptor) descriptor);
-                       ((CallableMemberDescriptor) descriptor).getKind() == CallableMemberDescriptor.Kind.SYNTHESIZED;
+            }
+
+            private boolean isOrOverridesSynthesized(CallableMemberDescriptor descriptor) {
+                if (descriptor.getKind() == CallableMemberDescriptor.Kind.SYNTHESIZED) {
+                    return true;
+                }
+                if (descriptor.getKind() == CallableMemberDescriptor.Kind.FAKE_OVERRIDE) {
+                    for (CallableMemberDescriptor overridden : descriptor.getOverriddenDescriptors()) {
+                        if (!isOrOverridesSynthesized(overridden)) {
+                            return false;
+                        }
+                    }
+                    return true;
+                }
+                return false;
             }
         };
 

compiler/testData/codegen/boxWithJava/samAdapters/cantCallInherited.java

@@ -0,0 +1,8 @@
+class Super {
+    void safeInvoke(Runnable r) {
+        if (r != null) r.run();
+    }
+}
+
+class Sub extends Super {
+}

compiler/testData/codegen/boxWithJava/samAdapters/cantCallInherited.kt

@@ -0,0 +1,7 @@
+fun box(): String {
+    var r = "FAIL"
+    val sub = Sub()
+    sub.safeInvoke(null)
+    sub.safeInvoke { r = "OK" }
+    return r
+}

compiler/tests/org/jetbrains/jet/codegen/generated/BlackBoxWithJavaCodegenTestGenerated.java

@@ -135,6 +135,11 @@ public class BlackBoxWithJavaCodegenTestGenerated extends AbstractBlackBoxCodege
             JetTestUtils.assertAllTestsPresentByMetadata(this.getClass(), "org.jetbrains.jet.generators.tests.GenerateTests", new File("compiler/testData/codegen/boxWithJava/samAdapters"), Pattern.compile("^(.+)\\.kt$"), true);
         }
         
+        @TestMetadata("cantCallInherited.kt")
+        public void testCantCallInherited() throws Exception {
+            doTestWithJava("compiler/testData/codegen/boxWithJava/samAdapters/cantCallInherited.kt");
+        }
+        
         @TestMetadata("comparator.kt")
         public void testComparator() throws Exception {
             doTestWithJava("compiler/testData/codegen/boxWithJava/samAdapters/comparator.kt");