https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65823
--- Comment #6 from vries at gcc dot gnu.org --- (In reply to vries from comment #5) > The nop introduced during gimplification is not meant to be there. This > patch gets rid of it: I've build an arm compiler with the patch, and tested execute.exp=stdarg-2.c. Indeed the failure is gone, and the execution succeeds.