Optimization fuel

[Don]

bearophile wrote:
> My experience about this stuff is zero, but is this idea useful to debug/improve DMD too?
> 
> http://blog.ezyang.com/2011/06/debugging-compilers-with-optimization-fuel/
> 
> Bye,
> bearophile

In practice, it does pretty much the same job as CyberShadow's dustmite 
program, which is considerably more general.
https://github.com/CyberShadow/DustMite

Historically, only about two bugs per year have been found in DMD's 
optimizer, compared to >1000 bugs/year in the front end.