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Description
I'm getting an Access violation in:
Lib\Classes\2D Barcodes\Decoder\ZXing.Datamatrix.Internal.Decoder.pas
function TDataMatrixDecoder.decode(bits: TBitMatrix): TDecoderResult;
It's happening when the finally section frees DataBlock
And this is happening because there are some situations where Datablock is undefined at that point.
The fix is the initialize DataBlock to nil at the top of the function.
Issue is occurring in Delphi 10.2, Win 32, VCL
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