src/fflib/string_def.cpp:124: error: DEAD_STORE The value written to &l (type unsigned long) is never used. Showing all 1 steps of the trace src/fflib/string_def.cpp:124:58: Write of unused value 122. // clean begin end for win32 file 123. if( l) { if((**s)[0] == '\r') { (**s).erase(0,1); l--;}} 124. if( l) { if((**s)[l-1] == '\r') { (**s).erase(l-1,1); l--;}} ^ 125. return f; 126. }