If I open a new spreadsheet, select A1, Copy, then select Sheet2 and (shift-click) Sheet3, then Paste, LibreOffice Calc crashes. I'm running 3.5.1.2 on Windows 7 Home Premium.
Can you please attach a test document and a detailed step by step instruction. I can't reproduce this with a master build.
*** This bug has been marked as a duplicate of bug 47311 ***