handle review comments

Author: ergawy

flang/lib/Lower/Bridge.cpp

@@ -2363,7 +2363,7 @@ class FirConverter : public Fortran::lower::AbstractConverter {
          llvm::zip_equal(incrementLoopNestInfo, nestLBs, nestUBs, nestSts)) {
       // Structured loop - generate fir.do_loop.
       if (info.isStructured()) {
-        if (info.isUnordered)
+        if (genDoConcurrent)
           continue;
 
         // The loop variable is a doLoop op argument.