__vector equality compare: LDC vs {GDC, DMD}

[kinke]

On Wednesday, 27 July 2022 at 03:50:50 UTC, Bruce Carneal wrote:
> That said, I am curious: is this behavior intentional or 
> accidental?

Intentional (based on the front-end type of (in)equality and 
identity expressions being a scalar bool, no special case for 
vectors): 
https://github.com/ldc-developers/ldc/commit/db8797e1ced40d555baa3007e6a5f6d05e29b58d