Is it possible to compile Linux kernel with something other than gcc

Question

I wonder if someone managed to compile the Linux kernel with some other compiler than gcc. Or if someone have ever tried? Question may seem to be silly or academic, but it a

Answer 1

The LLVM developers are trying to compile it with clang. The meta-bug on compiling the Linux kernel with clang has more details (the dependency tree for that meta-bug shows how little seems to be left).