"Joseph S. Myers" <[email protected]> writes:
> On Wed, 21 Mar 2012, Dennis Clarke wrote:
>
>> What I find interesting is why we see an internal compiler error
>> as opposed to something more reasonable when the user stack size is
>> too small. Really, this is not a compiler fault at all but a user
>> environment issue and thus the ICE is a false alarm.
Btw., the problem is long known: PR c/35608.
> I suppose we could use sigaltstack where available and a signal handler to
> detect stack overflow on suitable hosts to give a better message.
Agreed.
> It ought to be possible to use -fsplit-stack to avoid stack overflow - it
> would be interesting to know if that works (if GCC is built with
> -fsplit-stack, and linked with gold, on a host for which this is properly
> supported) and how it affects GCC's performance.
That's a Linux-only option, unfortunately. I asked the Solaris
engineers about implementing split-stack support, but they rejected it
for the complexity.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
