[5.5][stdlib] fix an accidental recursion bug involving Collection #38195
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- adds a default implementation of Collection’s subscript(bounds: Range<_>) with the most general signature possible - it is marked unavailable in order to prevent the infinite recursion bug reported in SR-14848 - Collections whose SubSequence is Slice<Self> still get the proper default, as intended.
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glessard
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kylemacomber
approved these changes
Jul 6, 2021
AnthonyLatsis
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🍒 release cherry pick
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This is a cherry-pick of #38161 to the 5.5 branch.
Note that if this is not merged for some reason, we may also need to back out that change.
Resolves SR-14848 (rdar://79891982)