minfo.d is no longer throwing Errors

src/rt/minfo.d

@@ -109,7 +109,7 @@ struct ModuleGroup
  // release mode.
  if (distance[target] != curdist)
  {
- throw new Error("internal error printing module cycle");
+ assert(0, "internal error printing module cycle");
  }
 
  // determine the path. This is tricky, because we have to
@@ -196,7 +196,7 @@ struct ModuleGroup
  break;
  default:
  // invalid cycle handling option.
- throw new Error("DRT invalid cycle handling option: " ~ cycleHandling);
+ assert(0, "DRT invalid cycle handling option: " ~ cycleHandling);
  }
 
  debug (printModuleDependencies)
@@ -368,7 +368,8 @@ struct ModuleGroup
 
  string errmsg = "";
  buildCycleMessage(idx, midx, (string x) {errmsg ~= x;});
- throw new Error(errmsg, __FILE__, __LINE__);
+ assert(0, errmsg);
+
  case ignore:
  break;
  case print: