ASTScope: Redo 'selfDC' computation#33989

Merged

slavapestov merged 7 commits intoswiftlang:masterfrom

slavapestov:astscope-self-dc-cleanup

Sep 19, 2020

Commits on Sep 18, 2020

AST: Capture list bindings now point back to their parent CaptureListExpr
slavapestov
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ASTScope: Remove unused shouldCreateAccessorScope() method
slavapestov
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AST: Generalize CaptureListEntry::isSimpleSelfCapture() to work without parse-time lookup
slavapestov
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ASTScope: Collapse PureFunctionBodyScope and MethodBodyScope
slavapestov
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ASTScope: Compute 'selfDC' directly in ASTScopeDeclConsumerForUnqualifiedLookup
slavapestov
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ASTScope: Remove old implementation of 'selfDC' computation
slavapestov
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AST: Remove VarDecl::hasNonPatternBindingInit()
slavapestov
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