https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63797
chrisonian at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |chrisonian at gmail dot com --- Comment #1 from chrisonian at gmail dot com --- This bug is still present in versions 8.3.0, 9.3.0, 10.1.0 Testing on Cori (NERSC): module load gcc/8.3.0 or module load gcc/9.3.0 or module load gcc/10.1.0 The result is the same: gfortran test.f90 test.f90:30:8: y = sqrt(x) 1 Error: Name 'sqrt' at (1) is an ambiguous reference to 'sqrt' from module '(intrinsic)'