https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84252
--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
In vt_add_function_parameter:
(gdb) p incoming
$6 = (parallel:OI [
(expr_list:REG_DEP_TRUE (reg:V4SI 32 v0 [ qIn0 ])
(const_int 0 [0]))
(expr_list:REG_DEP_TRUE (reg:V4SI 33 v1 [ qIn0+16 ])
(const_int 16 [0x10]))
])
