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warning: volatile qualifier ignored on asm


Hi,

I'm getting the above warning building a C++ program with Guile using egcs
1.1. From the source, it sounds like this means SCM_FENCE can be moved
around by the optimizer.

Couple questions - 
 - How bad is this?
 - Does anyone know *why* egcs is ignoring the volatile qualifier? 
   The error message is pretty uninformative.

Thanks,
Havoc