Fix concat_hstring for 0-length string#675
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kennykerr merged 2 commits intomicrosoft:masterfrom Jun 30, 2020
oldnewthing:0length
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Fix concat_hstring for 0-length string#675kennykerr merged 2 commits intomicrosoft:masterfrom oldnewthing:0length
kennykerr merged 2 commits intomicrosoft:masterfrom
oldnewthing:0length
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The zero-length string is represented by nullptr, not a heap-allocated string of length zero. Note that hstring_builder.data() must return a non-null pointer because std::memcpy demands that the buffers be non-null, even if the byte count is zero.
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The zero-length string is represented by nullptr, not a heap-allocated string of length zero.