https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68867
--- Comment #4 from William Seurer <seurer at linux dot vnet.ibm.com> --- Removing the comment gives: 3 39 0.999999999999999999999999999999996919E-0001 Program aborted. Backtrace: Aborted (core dumped) It's been failing for at least a week; that's when I first noticed it. I'm running on power8 little endian though it also fails on big endian. gfortran -v: Using built-in specs. COLLECT_GCC=/home/seurer/gcc/build/gcc-test/gcc/testsuite/gfortran7/../../gfortran Target: powerpc64le-unknown-linux-gnu Configured with: ... Thread model: posix gcc version 6.0.0 20151211 (experimental) [trunk revision 231573] (GCC)