I just downloaded the gfortran 14.1.0 ( Fortran, C, C++ for Windows (equation.com)) for windows 10.
C:\Users\owner\Desktop> gfortran --version
GNU Fortran (GCC) 14.1.0
Copyright (C) 2024 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
and still see the locality spec error.
10 | do concurrent ( i = 1:size(A) ) REDUCE (+ : RA,RB,RC )
| 1
Error: Syntax error in DO statement at (1)