Optimization fuel[1] is a neat solution: have the compiler perform only the first n optimization operations, then use binary search to find which operation was

Optimization fuel[1] is a neat solution: have the compiler perform only the first n optimization operations, then use binary search to find which operation was bad. You can then break execution at that point to see what is going wrong. [1] http://blog.ezyang.com/2011/06/debugging-compilers-with-optimization-fuel/ http://blog.ezyang.com/2011/06/debugging-compilers-with-opti...