Max Moiseev 7322b63c44 [overlay] Fix Foundation extensions to Substring ...

When a substring gets bridged to NSString, it loses the initial offset,
therefore APIs that accept or return StringIndex ranges should handle
this case explicitly by adding/subtracting the substring start offset.

Fixes <rdar://problem/33873277>

2017-09-27 20:09:01 -07:00

4.6 KiB

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