http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59168
janus at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |janus at gcc dot gnu.org --- Comment #2 from janus at gcc dot gnu.org --- Sorry, I can not reproduce this. I have tried with gfortran 4.7, 4.8 and trunk using -O0 up to -O3. The result is always: 67108864.0 67108864.0 It seems that you have built gfortran yourself, right? Have you tried running the testsuite ('make check-gfortran')? $ gfortran-4.8 -v Using built-in specs. COLLECT_GCC=gfortran-4.8 COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.8/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.8.1-10ubuntu8' --with-bugurl=file:///usr/share/doc/gcc-4.8/README.Bugs --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.8 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.8 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-4.8-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-4.8-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu8) $ gfortran-4.9 -v Using built-in specs. COLLECT_GCC=gfortran-4.9 COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-unknown-linux-gnu/4.9.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /home/jweil/gcc49/trunk/configure --program-suffix=-4.9 --enable-checking=release --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --enable-languages=c,c++,fortran --disable-bootstrap --disable-multilib Thread model: posix gcc version 4.9.0 20131117 (experimental) [trunk revision 204922] (GCC)