Don't assert that class is found in BindingContext

This isn't true when light classes are generated, according to other such
checks in the same file

 #KT-4276 Fixed

compiler/backend/src/org/jetbrains/jet/codegen/binding/CodegenAnnotatingVisitor.java

@@ -288,7 +288,8 @@ class CodegenAnnotatingVisitor extends JetVisitorVoid {
     @Override
     public void visitDelegationToSuperCallSpecifier(@NotNull JetDelegatorToSuperCall call) {
         ClassDescriptorWithState state = peekFromStack(classStack);
-        assert state != null : "Class descriptor should be recorded before " + call + " processing";
+        // working around a problem with shallow analysis
+        if (state == null) return;
         state.setDelegationToSuperCall(true);
         super.visitDelegationToSuperCallSpecifier(call);
         state.setDelegationToSuperCall(false);