Andrew Kelley 4aa5895d32 std.Build: fix invalid assumption about fifos
Previously this code asserted that a fifo's readable length was greater
than or equal to the length of its readable slice, which was an invalid
assertion.

This code avoids making that assumption.
2023-03-15 10:48:15 -07:00
..
2023-03-15 10:48:13 -07:00