[Bug tree-optimization/65893] ifcombine not done anymore on expansion of va_arg

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65893

--- Comment #1 from vries at gcc dot gnu.org ---
(In reply to vries from comment #0)
> I observed the following when investigating the effect of the introduction
> of ifn_va_arg for aarch64 on stdarg-1.c.

That's ./gcc/testsuite/gcc.c-torture/execute/stdarg-1.c, btw.