Discard block is the only block that we generate internally, and it
currently just gets an index of 0 which collides with the very first
block. It is not an issue for compiler, but an eyesore for debug output
for a program with discard_if.
Assign INT_MAX index for it.
Reviewed-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33636>
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