http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47023
florian.rathgeber at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |florian.rathgeber at gmail | |dot com --- Comment #2 from florian.rathgeber at gmail dot com 2011-09-20 10:55:48 UTC --- I'm seeing this bug even for an explicitly interoperable type (hence I'm not sure if this is really the same bug - I'm happy to file a new one if someone tells me to): print *, c_sizeof(0.0_c_double) 1 Error: 'x' argument of 'c_sizeof' intrinsic at (1) must be be an interoperable data entity GNU Fortran (Ubuntu 4.6.0-1ubuntu1~ppa2) 4.6.1 20110326 (prerelease)