9b84824dfd
- eventfd.cpp and eventfd.s will output to the same file when building libc.a out/target/product/*/obj/STATIC_LIBRARIES/libc_intermediates/WHOLE/libc_common_objs/eventfd.o - And then `eventfd` will undefined when statically linked to libc. Also add a unit test. (cherry-pick of 8baa929d5d3bcf63381cf78ba76168c80c303f5e.) Change-Id: Icd0eb0f4ce0511fb9ec00a504d491afd47d744d3