http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55561
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-12-10 12:46:56 UTC --- (In reply to comment #7) > Now, compilation seems to go fine, but I'm not figuring out how to do it > properly so it works at run time. I have: > > > gfortran -g -fsanitize=thread -fPIE PR55561.f90 > > ./a.out > FATAL: ThreadSanitizer can not mmap the shadow memory (something is mapped at > 0x400000 < 0x7cf000000000) > FATAL: Make sure to compile with -fPIE and to link with -pie. > > next try yields > > > gfortran -g -fsanitize=thread -fPIC -Wl,-pie PR55561.f90 Try: gfortran -g -fsanitize=thread -fPIC -pie PR55561.f90 The driver changes the startup files when -pie is passed.