[PATCH 0/1] MR349: vkd3d-shader/spirv: Ensure that all instructions belong to a block.

[Giovanni Mascellani (＠giomasce)]

This is done by creating dummy blocks, which do not have any incoming
branch.

SPIR-V specification doesn't allow instructions not belonging to
any block.

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https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/349