https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118288
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |15.0 --- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> --- FWIW, Subject: [PATCH 2/6] Drop targetm.promote_prototypes from C, C++ and Ada frontends Remove the targetm.calls.promote_prototypes call from C, C++ and Ada frontends. fixed this bug.