[m-dev.] Catching out of memory errors

[Michael Day]

Hi Paul,

> That depends on how the error is being reported.  I not comfortable speculating
> about this without more information, Can you show me an example?  Is this
> happening only in deep profiling grades?

No, regular asm_fast.gc grade, when you try to allocate too much the 
boehm gc dumps this and aborts:

"GC out of memory.  Returned NIL!"

It's not very helpful if you want to control what you write to the 
terminal and indicate failure in a more graceful manner. Ideally 
allocation failure would be reported via a Mercury exception that could 
be caught at the top level and reported nicely.

Cheers,

Michael

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