Debug the missing symbol

tools/cudaq-qpud/RestServerMain.cpp

@@ -36,7 +36,14 @@ static llvm::cl::opt<bool> printRestPayloadVersion(
         "Display the REST request payload version that this server supports."),
     llvm::cl::init(false));
 
+// DEBUG
+int dummy(std::string_view sv) { return sv.size(); }
+
 int main(int argc, char **argv) {
+  // DEBUG
+  std::string test = "abc";
+  printf("Test: %d\n", dummy(test));
+
   // The "fast" instruction selection compilation algorithm is actually very
   // slow for large quantum circuits. Disable that here. Revisit this
   // decision by testing large UCCSD circuits if jitCodeGenOptLevel is changed