[Omp] A memory model question

[Georg Hager]

Hi,

> Yes, this code is broken. 

A thorough examination of the failure of the double-checked
locking idiom for C++ can be found in this article by
Scott Meyers and Andrei Alexandrescu:

http://www.aristeia.com/Papers/DDJ_Jul_Aug_2004_revised.pdf

Bye,
Georg.