An anonymous reader writes: Compilers are designed to make pessimistic assumptions about the code if the code is ambiguous. These pessimistic assumptions significantly limit the compilers' optimizations. Programmers can help compilers by avoiding code patterns that are known to confuse them. This article presents three examples of compiler-unfriendly code and explains them in great depth. I found this post enlightening and novel since I haven't seen a post on this topic. Its a good read if you want to understand what a compiler does to your code.
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