id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
12989,Bug in multiprecision shift left,Paweł Bylica <chfast@…>,John Maddock,"In cpp_int this test fails:

```
using uint256 = number<cpp_int_backend<256, 256, unsigned_magnitude, unchecked, void>>;
BOOST_CHECK_EQUAL(uint256(3) << 255, uint256(1) << 255);
```",Bugs,closed,To Be Determined,multiprecision,Boost 1.63.0,Problem,duplicate,,