https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122312
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |ebotcazou at gcc dot gnu.org
Status|UNCONFIRMED |RESOLVED
Resolution|--- |WONTFIX
--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> The benefit is being able to use nested functions knowing they'll be safe,
> regardless of whether the compiler optimizes or not.
>
> The following code uses nested functions to implement a QChar-aware version
> of strtol(3). It would be good to make sure that it doesn't require a
> writable stack by using 'static'.
That's the classical misconception about nested functions. Nested functions
require a writable stack (or something fancy) *only* if you take their address.
So just use nested functions in GNU C without taking their address.