e637e72364
- It's a common mistake by assuming 1 << shamt would be promoted to
64-bit, if shamt is a 64-bit integer. That's not the case. Replace
that left shift to a 64-bit one to ensure it won't fall into undefined
behavior.
- Fix the host-side implementation as well for device function testing.
[ROCm/hip commit: 9bd2d5746d]