Do not use bit and for conjunction of predicates (PR c/81272).

2018-02-19  Martin Liska  <mliska@suse.cz>

	PR c/81272
	* decNumber.c (decCompareOp): Do not use bit and
	for conjunction of predicates.

From-SVN: r257815

libdecnumber/ChangeLog

+2018-02-19  Martin Liska  <mliska@suse.cz>
+
+	PR c/81272
+	* decNumber.c (decCompareOp): Do not use bit and
+	for conjunction of predicates.
+
 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 
 	Update copyright years.

libdecnumber/decNumber.c

@@ -6029,11 +6029,11 @@ decNumber * decCompareOp(decNumber *res, const decNumber *lhs,
 
     /* If total ordering then handle differing signs 'up front' */
     if (op==COMPTOTAL) {		/* total ordering */
-      if (decNumberIsNegative(lhs) & !decNumberIsNegative(rhs)) {
+      if (decNumberIsNegative(lhs) && !decNumberIsNegative(rhs)) {
 	result=-1;
 	break;
 	}
-      if (!decNumberIsNegative(lhs) & decNumberIsNegative(rhs)) {
+      if (!decNumberIsNegative(lhs) && decNumberIsNegative(rhs)) {
 	result=+1;
 	break;
 	}