src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotHostBackend.java

*** 90,99 ****
--- 90,100 ----
          }
          try (InitTimer st = timer("lowerer.initialize")) {
              Iterable<DebugHandlersFactory> factories = Collections.singletonList(new GraalDebugHandlersFactory(providers.getSnippetReflection()));
              lowerer.initialize(options, factories, providers, config);
          }
+         providers.getReplacements().closeSnippetRegistration();
      }
  
      protected CallingConvention makeCallingConvention(StructuredGraph graph, Stub stub) {
          if (stub != null) {
              return stub.getLinkage().getIncomingCallingConvention();