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[ASTScopes] Fix scope expansion for if/switch expressions #65893

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Merged
merged 1 commit into from
May 13, 2023

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hamishknight
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@hamishknight hamishknight commented May 12, 2023

Previously we could miss the scopes present in if/switch expressions if they were nested in another expression, such as an AssignExpr. Fix the logic such that we properly walk over a given expression looking for if/switch scopes, the same as what we do for closures.

rdar://109192116
Resolves #66412

Previously we could miss the scopes present in
if/switch expressions if they were nested in
another expression, such as an AssignExpr. Fix
the logic such that we properly walk over a given
expression looking for if/switch scopes, the same
as what we do for closures.

rdar://109192116
@hamishknight
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@swift-ci please test

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@xedin xedin left a comment

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Looks reasonable to me!

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[5.9] Switch expression won't compile when assigning value to already defined variable.
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