examples++-load/bmo.cpp:187: error: DEAD_STORE The value written to &costsave0 (type double) is never used. Showing all 1 steps of the trace examples++-load/bmo.cpp:187:4: Write of unused value 185. 186. 187. costsave0 = costsave; ^ 188. xsave0 = xsave; 189.