[PATCH 0/5] MR230: hlsl: Replace bare list pointers with hlsl_block, part 1.

[Zebediah Figura (＠zfigura)]

This introduces temporary helpers block_to_list and list_to_block.

The job of block_to_list(), at least, could be done by simply writing
"&block->instrs" everywhere instead. Using the helper instead ensures that
all of these instances will eventually be converted.

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https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/230