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by Jweb_Guru
1941 days ago
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"C the way it worked until GCC 4.x" is basically a worse version of friendly C. You can't on the one hand say "no language lawyering" and on the other hand call certain kinds of optimizations bugs. Compiler developers need to be able to tell something will be considered a bug before users complain--you can always compile on -O0 if you don't want compiler optimizations, and many people consider performance regressions bugs in their own right, so they're going to try to eke out every bit of performance they can on higher optimization levels. |
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