http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47853
kargl at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |kargl at gcc dot gnu.org Resolution| |INVALID --- Comment #3 from kargl at gcc dot gnu.org 2011-02-22 23:13:22 UTC --- This is a programming mistake on the programmer. A fortran compiler is not required to diagnose such errors. Try compiling your code with -Wall. It shows a warning (well actually two warnings because the program contains a tab character where a space is expected), which should give enough information to be concerned.