There are several possible reasons why this is happening like:
1. Your GCC version is 3.4.1 which is a very new version which hasn't been fully tested yet
2. You are compiling an unstable kernel
3. You are compiling a 2.4.x series kernel
Are you compiling this kernel from sources or a rpm?
The error occurred in the power section of the kernel, maybe you should go through that section and make sure that you don't have wasted drivers?
You can try to go to http://www.kernel.org
and find a newer and more stable version of the kernel
Hope this solves your problem!