src/libMesh/eigenv.c:39: error: DEAD_STORE The value written to &n (type int) is never used. Showing all 1 steps of the trace src/libMesh/eigenv.c:39:3: Write of unused value 37. c = p[1]; 38. d = p[0]; 39. n = 1; ^ 40. 41. /* 1st derivative of f */