RegisterName     1794 src/lithium-allocator.cc           RegisterName(register_index),
RegisterName     1802 src/lithium-allocator.cc                    RegisterName(register_index),
RegisterName     1838 src/lithium-allocator.cc              RegisterName(reg),
RegisterName     1928 src/lithium-allocator.cc              RegisterName(reg),
RegisterName      591 src/lithium-allocator.h   const char* RegisterName(int allocation_index);