[Bug middle-end/34483] wo_prof_two_strs.c:56: internal compiler error: in find_new_var_of_type, at ipa-struct-reorg.c:605

["rsandifo at nildram dot co dot uk" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #13 from rsandifo at nildram dot co dot uk  2007-12-28 19:38 -------
Subject: Re:  wo_prof_two_strs.c:56: internal compiler error: in
find_new_var_of_type, at ipa-struct-reorg.c:605

"olga at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> writes:
> ------- Comment #12 from olga at gcc dot gnu dot org  2007-12-28 19:28 -------
> (In reply to comment #11)
>> Created an attachment (id=14838)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14838&action=view)
>  --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14838&action=view) [edit]
>> Patch for double free and iteration bug
>> I'm seeing a struct-reorg.exp ICE on MIPS too, although in
>> wo_prof_malloc_size_var.i instead of wo_prof_two_strs.c.
>> ISTR seeing the same ICE you did, but now I just get a
>> segmentation fault.
>> As far as the segfault goes, the problem is that we free
>> a htab from inside a htab_traverse of it.  I also noticed
>> that a couple of "remove this structure?" loops were skipping
>> the structure that replaces a removed one.
>> Could you try this patch and see if it is the same problem,
>> or whether it's something different?
>
> Indeed, would you please try the patch that solved PR34472? 

Gah, I'd tried several searches to find an existing PR for this!
But isn't my patch more efficient?  I don't see why you need to
build a separate list like that.

Richard


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34483