3 ms·

There are instances where I can get current GCC to generate less instructions as part of the normal control flow when adding noexcept declarations. This is quit

There are instances where I can get current GCC to generate less instructions as part of the normal control flow when adding noexcept declarations. This is quite surprising given the common claim that exceptions shouldn't affect that. Unfortunately, I think I lost the example where I could reproduce it in the Compiler Explorer.

junon 6y ago
How convenient
- gmueckl 6y ago
  I reproduced it: https://godbolt.org/z/nzof4s https://godbolt.org/z/nzof4s test() with exceptions enabled is two instructions longer in the normal code path.