I see autotest consuming all available cpu after upgrading to
479db4e7c6; strace shows
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
read(23, ""..., 1) = 0
Where 23 is some pipe.
--
error compiling committee.c: too many arguments to function
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