https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66911
--- Comment #3 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- [Book15] f90/bug% gfc pr66911.f90 -fsanitize=address [Book15] f90/bug% a.out s:"" derived:"tt" [Book15] f90/bug% gfc -v Using built-in specs. COLLECT_GCC=gfc COLLECT_LTO_WRAPPER=/opt/gcc/gcc6w/libexec/gcc/x86_64-apple-darwin14.4.0/6.0.0/lto-wrapper Target: x86_64-apple-darwin14.4.0 Configured with: ../work/configure --prefix=/opt/gcc/gcc6w --enable-languages=c,c++,fortran,objc,obj-c++,ada,java,lto --with-gmp=/opt/mp-new --with-system-zlib --with-isl=/opt/mp-new --enable-lto --enable-plugin --with-arch=corei7 --with-cpu=corei7 Thread model: posix gcc version 6.0.0 20150717 (experimental) [trunk revision 225931] (GCC)