Check for exception

Author: Girgias

ext/gmp/gmp.c

@@ -429,6 +429,12 @@ static int gmp_compare(zval *op1, zval *op2) /* {{{ */
 	zval result;
 
 	gmp_cmp(&result, op1, op2);
+
+	/* An error/exception occurs if one of the operands is not a numeric string
+	 * or an object which is different from GMP */
+	if (EG(exception)) {
+		return 1;
+	}
 	/* result can only be a zend_long if gmp_cmp hasn't thrown an Error */
 	return Z_LVAL(result);
 }

ext/gmp/tests/comparison_invalid.phpt

@@ -1,5 +1,5 @@
 --TEST--
-Overloaded GMP comparison in sort() etc
+Invalid comparison with a GMP object
 --SKIPIF--
 <?php if (!extension_loaded("gmp")) print "skip"; ?>
 --FILE--