https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85333
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |WONTFIX --- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- CFG: main () { int D.2554; int _3; <bb 2> : f (1, 2); _3 = 0; <bb 3> : <L0>: return _3; } so the builtin is folded away.