Henry Ho

Results 2 issues of Henry Ho

some unit test code like var result = a + b - a, it will be fault in release mode, add [MethodImpl(MethodImplOptions.NoOptimization)] to avoid fault.

### Describe the bug use LzwInputStream decompree a .z file failed,header byte 0x1f, 0x9d, 0x90,0x23, bug winrar and 7z tools decompress success. ICSharpCode.SharpZipLib.Lzw.LzwException:“corrupt input: code=52133, freeEnt=50090” https://github.com/HenryHo2006/NewNNI/releases/download/Release/features_1f9d.z ### Reproduction Code...

bug
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