TK_PLUSEQ
if (!ld_map_seg_size_symbol(mf, sgp, TK_PLUSEQ, tkv.tkv_str))
tok = (ch == '+') ? TK_PLUSEQ : TK_MINUSEQ;
case TK_PLUSEQ:
case TK_PLUSEQ:
case TK_PLUSEQ:
eq_tok = TK_PLUSEQ;
case TK_PLUSEQ:
case TK_PLUSEQ: