[5.3][CSBindings] Open collection binding associated with @autoclosure argument #32728
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Cherry-pick of #32724
To preserve subtype relationship between element types of a collection
passed as an argument to a parameter represented by another collection
type let's extend opening of the collection types to be done for arguments
to @autoclosure parameters as well because implicit closure is transparent
to the caller.
Scope: Limited to
@autoclosure
arguments represented by a collection type.Resolves: rdar://problem/65088975
Risk: Very Low
Testing: Added regression tests
Reviewer: @DougGregor, @hborla
Resolves: SR-13135
Resolves: rdar://problem/65088975
(cherry picked from commit 739ba4b)