Re: gcc5: initdb produces gigabytes of _fsm files

On Thu, Feb 12, 2015 at 6:16 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> I wrote:
>> Christoph Berg <cb(at)df7cb(dot)de> writes:
>>> gcc5 is lurking in Debian experimental, and it's breaking initdb.
>
>> Yeah, I just heard the same about Red Hat as well:
>> https://bugzilla.redhat.com/show_bug.cgi?id=1190978
>> Not clear if it's an outright compiler bug or they've just found some
>> creative new way to make an optimization assumption we're violating.
>
> Apparently, it's the former. See
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1190978#c3
>
> I will be unamused if the gcc boys try to make an argument that they
> did some valid optimization here.

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