cdhash_cmp: should use ||

cf: https://github.com/ruby/ruby/pull/4469#discussion_r628386707

compile.c

@@ -2008,12 +2008,12 @@ cdhash_cmp(VALUE val, VALUE lit)
     else if (tlit == T_RATIONAL) {
         const struct RRational *rat1 = RRATIONAL(val);
         const struct RRational *rat2 = RRATIONAL(lit);
-        return cdhash_cmp(rat1->num, rat2->num) && cdhash_cmp(rat1->den, rat2->den);
+        return cdhash_cmp(rat1->num, rat2->num) || cdhash_cmp(rat1->den, rat2->den);
     }
     else if (tlit == T_COMPLEX) {
         const struct RComplex *comp1 = RCOMPLEX(val);
         const struct RComplex *comp2 = RCOMPLEX(lit);
-        return cdhash_cmp(comp1->real, comp2->real) && cdhash_cmp(comp1->imag, comp2->imag);
+        return cdhash_cmp(comp1->real, comp2->real) || cdhash_cmp(comp1->imag, comp2->imag);
     }
     else {
         UNREACHABLE_RETURN(-1);