https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120049
--- Comment #25 from kargls at comcast dot net --- On 5/9/25 20:22, jvdelisle at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120049 > > --- Comment #24 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> --- > It is interestingly complex. As I try different test cases I learn new things. Yes, it is. The iso_c_binding module is built-on-fly by the compiler. You'll find checks in various places (see, primary.cc lines 4048-4062). The functions supplied with the module are sort of treated as intrinsic subprogram, but their actual not.