On 01/16/2012 02:03 PM, Bakul Shah wrote:
> On Jan 16, 2012, at 10:51 AM, Greg Comeau <comeauat9fans@gmail.com> wrote:
>> What we do in problematic cases with Comeau is to generate code to
>> arrange for the allocation of the VLA on the heap. I'm not saying
>> this is perfect, but at least it gets the feature implementable and up
>> and running as "a portable implementation" versus perhaps not being
>> able to implement it at all on some platforms.
>
> How do you deal with longjmp?I recall reading the source for a (mostly-) portable alloca() that
checked where on the call-stack is was invoked from and released memory
for any alloca() invocation from lower on the stack. (The allocations
themselves were on the heap.)