[Bug target/106554] -fstack-usage result too low for variadic function on Arm

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106554

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2022-08-09

--- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> IIRC there's target support code eventually missing for some targets.  The
> -fstack-usage documentation isn't clear how exact the result is supposed to
> be.

It must always be conservatively correct, so it's certainly a bug.