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Troy A. Johnson 5dafd11de1 [circular_raw_ostream] Delegate is_displayed to contained stream
raw_ostream has an is_displayed() member function that determines if the stream
is connected to a console for display or is connected to a file/pipe. By
default, is_displayed() returns false, and derived classes like raw_fd_ostream
override it. Because circular_raw_ostream wraps another stream, its result for
is_displayed() should be the same as that stream.

Differential Revision: https://reviews.llvm.org/D66026

llvm-svn: 369188
2019-08-17 14:20:41 +00:00
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