don't verify the SIL module during de-serialization

The module doesn't necessarily need to be in a valid state when de-serializing a function

Author: eeckstein

lib/Serialization/SerializedSILLoader.cpp

@@ -34,9 +34,6 @@ SerializedSILLoader::SerializedSILLoader(
     for (auto File : Entry.second->getFiles()) {
       if (auto LoadedAST = dyn_cast<SerializedASTFile>(File)) {
         auto Des = new SILDeserializer(&LoadedAST->File, *SILMod, callbacks);
-#ifndef NDEBUG
-        SILMod->verify();
-#endif
         LoadedSILSections.emplace_back(Des);
       }
     }