https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50221
--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- Note that the output for comment 0 is array=xxyyzz 2 3 when compiled with Using built-in specs. COLLECT_GCC=/opt/gcc/gcc6a-222042/bin/gfortran COLLECT_LTO_WRAPPER=/opt/gcc/gcc6a-222042/bin/../libexec/gcc/x86_64-apple-darwin14.3.0/6.0.0/lto-wrapper Target: x86_64-apple-darwin14.3.0 Configured with: ../_clean/configure --prefix=/opt/gcc/gcc6a --enable-languages=c,c++,fortran,ada,lto --with-gmp=/opt/mp-new --with-system-zlib --enable-checking=release --with-isl=/opt/mp-new --enable-lto --enable-plugin Thread model: posix gcc version 6.0.0 20150413 (experimental) [trunk revision 222042] (GCC) and Using built-in specs. COLLECT_GCC=/opt/gcc/gcc6p-227742/bin/gfortran COLLECT_LTO_WRAPPER=/opt/gcc/gcc6p-227742/libexec/gcc/x86_64-apple-darwin14.5.0/6.0.0/lto-wrapper Target: x86_64-apple-darwin14.5.0 Configured with: ../p_work/configure --prefix=/opt/gcc/gcc6p-227742 --enable-languages=c,c++,lto,fortran,ada,objc,obj-c++ --with-gmp=/opt/mp-new --with-system-zlib --enable-checking=release --with-isl=/opt/mp-new --enable-lto --enable-plugin --with-arch=core2 --with-cpu=core2 Thread model: posix gcc version 6.0.0 20150914 (experimental) [trunk revision 227742] (GCC) I still get the wrong output 'array=zzzzzz' with [Book15] f90/bug% /opt/gcc/gcc6p-226431/bin/gfortran -v Using built-in specs. COLLECT_GCC=/opt/gcc/gcc6p-226431/bin/gfortran COLLECT_LTO_WRAPPER=/opt/gcc/gcc6p-226431/libexec/gcc/x86_64-apple-darwin14.4.0/6.0.0/lto-wrapper Target: x86_64-apple-darwin14.4.0 Configured with: ../p_work/configure --prefix=/opt/gcc/gcc6p-226431 --enable-languages=c,c++,lto,fortran,ada,objc,obj-c++ --with-gmp=/opt/mp-new --with-system-zlib --enable-checking=release --with-isl=/opt/mp-new --enable-lto --enable-plugin --with-arch=core2 --with-cpu=core2 Thread model: posix gcc version 6.0.0 20150731 (experimental) [trunk revision 226431] (GCC) However for all versions I have tested I get a wrong output (depending on the revision) for the test in comment 4.