[Bug tree-optimization/66013] Missed optimization after inlining va_list parameter, -m32 case

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66013

--- Comment #2 from vries at gcc dot gnu.org ---
And in the pass_stdarg dump, for f2 we see why the va_list escapes:
...
va_list escapes in # .MEM_4 = VDEF <.MEM_2>
apD.1830 = ap.0_3;
...