[LLVMdev] [PATCH] Replace the Execution Engine's mutex with std::recursive_mutex

[Anton Korobeynikov]

> Do people have objections to 2?  I don't really like it either.
Well, at least we can do a configure-time check and error gracefully
on unsupported configuration?
-- 
With best regards, Anton Korobeynikov
Faculty of Mathematics and Mechanics, Saint Petersburg State University