f7bbfbaeb5
A block that has all its successors empty is not necessarily a leaf
block in the CFG, and removing the JUMP in that causes the shader
to continue executing code from another block instead of exiting.
This reverts commit a496b41d50.
Reviewed-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/9520>