Comment # 2 on bug 71817 from Krzysztof A. Sobiecki

And the winner is:
88c8f1972976c506e8fb048100ed11fef1ca938b is the first bad commit
commit 88c8f1972976c506e8fb048100ed11fef1ca938b
Author: Vincent Lejeune <vljn@ovi.com>
Date:   Wed Oct 30 18:35:58 2013 +0100

    r600/llvm: Store inputs in function arguments

:040000 040000 70bee8674c6b22eda966273cc1f736ed81da3829
10b9d66a3bd9c8328649515d5cf40ce20b022c1b M    src

Thank You.