It's useful to have bots automatically test proposed patches and notify authors when they fail to compile in certain configurations. Currently for Clang, a few folks interested in supporting it email authors when patches break things, but regression finding is currently not automated for Clang. I'd like to pick some brains as to what is a smart way to automatically test proposed patches for a seemingly limitless number of kernel configurations.

A talk on compiling the Linux kernel with Clang/LLVM. (slides)