Pierre Labastie wrote:
> Le 27/03/2013 19:47, Bruce Dubbs a écrit :
>> Pierre Labastie wrote:
>>>
>>> It really looks like it is a tcl error (I cannot think of a reason why
>>> gcc would try to compire a *regular* expression). I found this bug report:
>>> http://sourceforge.net/tracker/?func=detail&aid=3603557&group_id=10894&atid=110894
>>> It seems to indicate that the limit on memory could be increased at
>>> compile time on tcl 8.6.
>>>
>>> Anyway, I would not count those errors as GCC's.
>> Well, yes and no.  The error is triggered by the gcc regex.
>>
>> I looked at the bug and it does say that it is fixed with a compile time
>> overridable, but I don't see how to do that.  It's not in tcl's
>> configure and a search of the source doesn't show anything obvious.

> Downgrading to tcl8.5.13, all the memory errors are gone.
> Only the libmudflap "pass41" has an error "execution test",
> but with no reference to memeory.

I got the head of the development branch for tcl, but that didn't fix 
it.  I may ask on the tcl mailing list.  This isn't a critical issue, 
but somehow I've started to focus on it.  I need to dig into dejagnu and 
expect to try to figure out why these are failing.

I have determined that I can isolate the test with, for instance:

$ make check-c++ RUNTESTFLAGS="dg.exp=mangle33* --all --debug"

The results show up in ./gcc/testsuite/g++/dbg.log

For some reason, the above wants to run a subset of mudflap tests too.
The problem files seem to compile without error, but the checking shows 
a problem.  I'm going to spend some more time trying to debug these 
issues.

   -- Bruce
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