Problem with libiberty's hash tables

[Paolo Bonzini]

FX wrote:
> Hi all,
> 
> I've started using libiberty's hashtab in libgfortran for some of my
> gfortran work to track memory allocations in the library. I store
> custom structures in a hash table, each structure containing a unique
> pointer (it is a malloc'ed address) that is used for the hash. When I
> traverse the table elements after having inserted a few, I get twice
> the number I expect. It's probably a beginner's mistake, and will be
> easy to spot, but I haven't managed to understand what I'm doing
> wrong.

If you don't need GC and you don't need delete (the latter I can't see 
from your example), a pointer_map is much easier to use.

Paolo