http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54954
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to swalter from comment #7) > (In reply to Andrew Pinski from comment #6) > > The header file malloc.h (which is non-standard by the way) has the > > attribute malloc on the malloc function call. > > > > So this is invalid. > > Sorry, can you spell that out for me? You're saying that the behavior I'm > seeing is because I'm using malloc.h for the definition of malloc(), rather > than stdlib.h? malloc.h's definition of malloc has __attribute__((malloc)), > so that allows gcc to perform the optimization even when -fno-builtin in > thrown? No I am saying the definition inside both malloc.h and stdlib.h has the attribute on it which allows gcc to perform the optimization even when -fno-builtin is used. My comment about malloc.h being non-standard was an aside comment and just pointing out the use of a non-standard header.
