Sonarqube: Only the sign of the result should be examined

Author: timfel

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/ints/IntBuiltins.java

@@ -1786,7 +1786,7 @@ public PBytes fromPIntInt(PInt self, int byteCount, String byteorder, PNone sign
 
         @TruffleBoundary
         private byte getSingByte(BigInteger value, boolean signed) {
-            if (value.compareTo(BigInteger.ZERO) == -1) {
+            if (value.compareTo(BigInteger.ZERO) < 0) {
                 if (!signed) {
                     throw raise(PythonErrorType.OverflowError, MESSAGE_CONVERT_NEGATIVE);
                 }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/list/ListBuiltins.java

@@ -390,9 +390,9 @@ public PNone insert(PList list, Object i, Object value,
         private static int normalizePIntForIndex(PInt index) {
             int where = 0;
             BigInteger bigIndex = index.getValue();
-            if (bigIndex.compareTo(BigInteger.valueOf(Integer.MIN_VALUE)) == -1) {
+            if (bigIndex.compareTo(BigInteger.valueOf(Integer.MIN_VALUE)) < 0) {
                 where = 0;
-            } else if (bigIndex.compareTo(BigInteger.valueOf(Integer.MAX_VALUE)) == 1) {
+            } else if (bigIndex.compareTo(BigInteger.valueOf(Integer.MAX_VALUE)) > 0) {
                 where = Integer.MAX_VALUE;
             } else {
                 where = bigIndex.intValue();