[5.5-05142021] [Async Refactoring] Fix crash on recursive AST walk #37724
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The async refactoring may perform recursive AST walks in cases such as transforming the body of a hoisted closure. Make sure this can be handled by the logic tracking the ASTWalker in the SourceEntityWalker, such that we don't crash when later converting the call to a completion callback. rdar://78693050
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@swift-ci please test |
akyrtzi
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Jun 1, 2021
AnthonyLatsis
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🍒 release cherry pick
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5.5-05142021 cherry-pick of #37715
The async refactoring may perform recursive AST walks in cases such as transforming the body of a hoisted closure. Make sure this can be handled by the logic tracking the ASTWalker in the SourceEntityWalker, such that we don't crash when later converting the call to a completion callback.
rdar://78693050