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Refactor ABI check to allow the functions to execute in either order #110

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Refactor ABI check to allow the functions to execute in either order #110

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Commits on May 25, 2019

  1. Refactor ABI check to allow the functions to execute in either order 

    As dynamic and static linking call the old and new load functions in
the opposite order then the ABI mix check code needs to handle both cases.
We take the approach of setting a flag if a (non Protocol) new class has
been loaded and if any old class has been loaded, and at the end of each
function we error if both flags are set to YES. This passes the basic
check that a simple pieces of objectve C can be compiled and run both
staticly and dynamicly using both the old and the new ABI.
    @minusbat
    minusbat committed May 25, 2019
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