https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52075
--- Comment #4 from Bill Long <longb at cray dot com> --- With this version: > gfortran --version GNU Fortran (GCC) 4.9.1 20140716 (Cray Inc.) Copyright (C) 2014 Free Software Foundation, Inc. I see the following: > gfortran -fopenmp -fbounds-check test.f90 > ./a.out > export OMP_NUM_THREADS=4 > ./a.out FAIL - X( 16 ) == 11 (expected 15 ) STOP 1