Jim Ingham 833882b327 Adapt the ObjC stepping algorithm to deal with "selector-stubs" in clang.
Clang is adding a feature to ObjC code generation, where instead of calling
objc_msgSend directly with an object & selector, it generates a stub that
gets passed only the object and the stub figures out the selector.

This patch adds support for following that dispatch method into the implementation
function.
2022-04-08 17:45:16 -07:00
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