https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69143
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-01-05 CC| |msebor at gcc dot gnu.org Ever confirmed|0 |1 Known to fail| |5.1.0, 6.0 --- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> --- Confirmed. A slightly simpler (but equivalent) test case that generates the same code is below. See also bug 65421. typedef struct B { float x, y; } B; B bar (B y) { return y; }