adding destroyable objects into Ggc

Gabriel Dos Reis
Tue Oct 18 20:52:00 GMT 2011

On Tue, Oct 18, 2011 at 12:50 PM, Ian Lance Taylor <> wrote:
> Before we introduced garbage collection, gcc used pools (well, obstacks),

When I started in 1997, obstack was still there and it isn't that long ago, so
things do move fast -- for a large software like GCC.

> but there were severe
> problems because
> pointers to one pool would be assigned to a pointer to a different
> pool and then become
> dangling pointers when the first pool was deleted.  C++ will let us
> avoid that problem.


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