fix name not taken

Author: wenju-he

libclc/utils/libclc-remangler/LibclcRemangler.cpp

@@ -978,12 +978,13 @@ class LibCLCRemangler : public ASTConsumer {
           // Drop unuseful clone of the original or remangled function.
           Func->replaceAllUsesWith(ConstantPointerNull::get(Func->getType()));
           ToErase.push_back(Func);
+          F.takeName(Func);
         } else {
           // Name doesn't exist in the original module. Drop unuseful clone of
           // remangled function.
           F.eraseFromParent();
-          continue;
         }
+        continue;
       }
       // Complete the mangling process, e.g. from _Z1fPU3AS4i to _Z1fPi.
       F.setName(Name);