Xcb broken with recent update (please help confirm)

Hi Guys,
I'm a heavy user of xdo but a very recent upgrade upgrade is causing this app to repeat continuously until another key is pressed. The list of packages upgraded have nothing in common with xdo, or more importantly the xcb/xcb-test libraries it uses. I made a very tiny sample app illustrating the problem using the xcb library. Could a couple people who have an up-to-date system please compile/run this app in the console? And also if someone who hasn't upgraded Arch since Jan 7th could also test please.
File: https://gist.github.com/saamalik/8464619
Library: pacman -S --needed libxcb
Compile as: gcc -o xcb-test -lm -lxcb -lxcb-xtest xcb-test.c
The character w (25) should be printed on your screen--what I see is that it prints 'w' continuously (wwww)--even though it should only print once. Thanks!

Bump. Can anyone please test the snippet.

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