The following crashes in the language switch build when setting up the halftone orders: pspcl6 -sDEVICE=bitcmyk -o /dev/null tiger.eps
Hmm, wonder how long this has been broken? With the language switch build the null device is in the graphics state when the halftone is created, not the selected device. This creates a screen with only 1 component. Later when drawing we try to access all 4 components (if we are using a cmyk device), and of course they are not initialized.
Fixed in 12146.