src/mars.c

@@ -1453,6 +1453,15 @@ int main(int iargc, const char *argv[])
 
     Module::dprogress = 1;
     Module::runDeferredSemantic();
+    if (Module::deferred.dim)
+    {
+        for (size_t i = 0; i < Module::deferred.dim; i++)
+        {
+            Dsymbol *sd = Module::deferred[i];
+            sd->error("unable to resolve forward reference in definition");
+        }
+        fatal();
+    }
 
     // Do pass 2 semantic analysis
     for (size_t i = 0; i < modules.dim; i++)

src/module.c

@@ -769,16 +769,6 @@ void Module::semantic()
 
 void Module::semantic2()
 {
-    if (deferred.dim)
-    {
-        for (size_t i = 0; i < deferred.dim; i++)
-        {
-            Dsymbol *sd = deferred[i];
-
-            sd->error("unable to resolve forward reference in definition");
-        }
-        return;
-    }
     //printf("Module::semantic2('%s'): parent = %p\n", toChars(), parent);
     if (semanticstarted >= 2)
         return;