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[libcxx] [test] Portability fix of std::strstreambuf constructor test.
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Authored by amakc11 on Jan 9 2020, 10:16 AM.

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Summary

The standard does not require the constructor strstreambuf(streamsize alsize_arg = 0) leave the stream array unallocated when called with parameter alsize_arg > 0. Conformant implementations of this constructor may allocate minimal alsize_arg number of bytes forcing str() method to return non-null pointer.

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amakc11 created this revision.Jan 9 2020, 10:16 AM
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ldionne accepted this revision.May 14 2020, 6:41 AM
This revision is now accepted and ready to land.May 14 2020, 6:41 AM
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This revision now requires review to proceed.May 14 2020, 6:41 AM
ldionne accepted this revision.May 14 2020, 6:41 AM
This revision is now accepted and ready to land.May 14 2020, 6:41 AM