Enable removal of unused functions to reduce size #4
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This should reduce (for example) the size of the x86_64 DLL from 700kb to 140kb, the same should apply to the other architectures.
Documentation for
/OPT:REF:https://learn.microsoft.com/en-us/cpp/build/reference/opt-optimizations?view=msvc-170
For new Visual Studio 2022 projects, this option is also enabled by default (among others) in release mode (
/OPT:ICFand/LTCGare also enabled but I saw no size benefits)