Update DynamicLibraryManagerSymbol.cpp

Author: alexander-penev

lib/Interpreter/DynamicLibraryManagerSymbol.cpp

@@ -1153,8 +1153,8 @@ namespace Cpp {
   std::string Dyld::searchLibrariesForSymbol(StringRef mangledName,
                                              bool searchSystem/* = true*/) {
 #define DEBUG_TYPE "Dyld:searchLibrariesForSymbol:"
-//    assert(!llvm::sys::DynamicLibrary::SearchForAddressOfSymbol(mangledName.str()) &&
-//           "Library already loaded, please use dlsym!");
+    assert(!llvm::sys::DynamicLibrary::SearchForAddressOfSymbol(mangledName.str()) &&
+           "Library already loaded, please use dlsym!");
     assert(!mangledName.empty());
 
     using namespace llvm::sys::path;