message: messenger refig
  Summary: Add binding to RegAlloc.
diff: @@ -18,6 +18,11 @@ class RegAllocPass : public Pass {
  public:
  RegAllocPass() : Pass("RegAllocPass") {}
  + void bind_config() override {
  + bool unused;
  + bind("live_range_splitting", false, unused);
  + }
  +
  /*
  * Allocate the code in a single method; exposed for unit tests.
  */
  