[6.0] [Coverage] Avoid recording regions from macro expansions #74119
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Saves having to pass it as a parameter to `emitSourceRegions`.
Ignore any regions recorded while inside a macro expansion, but account for any control flow that may have happened such that the exit count is correctly adjusted. This allows e.g throwing function calls to behave correctly within the expansion. rdar://129081384
These replace the body of the function, and as such shouldn't be profiled.
Make sure we walk macro expansion decls to handle cases where e.g a binding introduces control flow. This should be a pretty uncommon case since bindings introduced by macros aren't actually usable when expanded in local contexts, but handle it all the same.
hamishknight
added
🍒 release cherry pick
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@swift-ci please test |
bnbarham
approved these changes
Jun 4, 2024
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6.0 cherry-pick of #74067