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4a35c974e9
Why?? :-) Another one of the little micro-optimizations that I just came across: If you allocate a variable in a sub-block like the "fstring sharename" in write_file(), gcc even with -O3 will allocate this variable unconditionally on the stack at the beginning of the routine. So with eliminating this fstring we cut 256 bytes of stack in a very hot code path writing to a file. It might make us a bit more cache-friendly. This would probably not be worth a second look if it involved larger code changes, but this one was just too simple to let it pass :-)