Re: Check for null pointer

[Dan Eble]

> On 2011-08-20, at 16:00 , Reinhold Kainhofer wrote:
> 
>> So, basically, you are saying that whenever you run "make X" through color, 
>> it 
>> will crash, but it will not crash in any other cases? 
>> Are you sure this is not a problem of color together with make (I had some 
>> strange problems that only occured when something was called by make, 
>> because 
>> the locale settings were messed up)?
> 
> I've been using color with make for years without any problems (really that's 
> the only thing I use it with!); however, I just recently started using OS X 
> 10.7, so I wouldn't rule it out.  On the other hand, I did observe a very 
> similar crash running 2.15.9 in gdb without either of them.
> 
>>> I tried Graham's experimental 2.15.9 (from last week) and it worked fine at
>>> first, but then I tried running it via gdb and it crashed with similar but
>>> not identical backtrace as 2.14.2.  (The caller of kill_mmrest is
>>> Part_combine_iterator::process instead of Part_combine_iterator::unisono).
>> 
>> Hmm, do you have any example file where this appears (even if it's not 
>> minimal, for now it's just important that we can reproduce it somehow).

I wonder if this has anything to do with it:
http://article.gmane.org/gmane.comp.gnu.lilypond.bugs/27176

I discovered that using Ubuntu.  I am not up to building on OS X to try to 
establish a connection with the crashes I observed, but it seems possible.
-- 
Dan