this post was submitted on 03 Sep 2024
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Aren't those almost always race condition bugs? The debugger slows execution, so the bug won't appear when debugging.
sometimes it's also bugs caused by optimizations.
And that's where Release with debug symbols comes in. Definitely harder to track down what's going on when it skips 10 lines of code in one step though. Usually my code ends up the other way though, because debug mode has extra assertions to catch things like uninitialized memory or access-after-free (I think specifically MSVC sets memory to
0xcdcdcdcdon free in debug mode).