Fixed memory leak introduced by 73458e8

Zend/tests/self_and.phpt

@@ -0,0 +1,25 @@
+--TEST--
+ANDing strings
+--FILE--
+<?php
+
+$s = "123";
+$s1 = "test";
+$s2 = "45345some";
+
+$s &= 22;
+var_dump($s);
+
+$s1 &= 11;
+var_dump($s1);
+
+$s2 &= 33;
+var_dump($s2);
+
+echo "Done\n";
+?>
+--EXPECTF--	
+int(18)
+int(0)
+int(33)
+Done

Zend/tests/self_mod.phpt

@@ -0,0 +1,25 @@
+--TEST--
+Moduloing strings
+--FILE--
+<?php
+
+$s = "123";
+$s1 = "test";
+$s2 = "45345some";
+
+$s %= 22;
+var_dump($s);
+
+$s1 %= 11;
+var_dump($s1);
+
+$s2 %= 33;
+var_dump($s2);
+
+echo "Done\n";
+?>
+--EXPECTF--
+int(13)
+int(0)
+int(3)
+Done

Zend/tests/self_or.phpt

@@ -0,0 +1,25 @@
+--TEST--
+ORing strings
+--FILE--
+<?php
+
+$s = "123";
+$s1 = "test";
+$s2 = "45345some";
+
+$s |= 22;
+var_dump($s);
+
+$s1 |= 11;
+var_dump($s1);
+
+$s2 |= 33;
+var_dump($s2);
+
+echo "Done\n";
+?>
+--EXPECTF--
+int(127)
+int(11)
+int(45345)
+Done

Zend/tests/self_xor.phpt

@@ -0,0 +1,25 @@
+--TEST--
+XORing strings
+--FILE--
+<?php
+
+$s = "123";
+$s1 = "test";
+$s2 = "45345some";
+
+$s ^= 22;
+var_dump($s);
+
+$s1 ^= 11;
+var_dump($s1);
+
+$s2 ^= 33;
+var_dump($s2);
+
+echo "Done\n";
+?>
+--EXPECTF--
+int(109)
+int(11)
+int(45312)
+Done

Zend/zend_operators.c

@@ -1162,6 +1162,9 @@ ZEND_API int mod_function(zval *result, zval *op1, zval *op2 TSRMLS_DC) /* {{{ *
 		return SUCCESS;
 	}
 
+	if (op1 == result) {
+		zval_dtor(result);
+	}
 	ZVAL_LONG(result, op1_lval % op2_lval);
 	return SUCCESS;
 }
@@ -1324,6 +1327,9 @@ ZEND_API int bitwise_or_function(zval *result, zval *op1, zval *op2 TSRMLS_DC) /
 		op2_lval = Z_LVAL_P(op2);
 	}
 
+	if (op1 == result) {
+		zval_dtor(result);
+	}
 	ZVAL_LONG(result, op1_lval | op2_lval);
 	return SUCCESS;
 }
@@ -1379,6 +1385,9 @@ ZEND_API int bitwise_and_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
 		op2_lval = Z_LVAL_P(op2);
 	}
 
+	if (op1 == result) {
+		zval_dtor(result);
+	}
 	ZVAL_LONG(result, op1_lval & op2_lval);
 	return SUCCESS;
 }
@@ -1434,6 +1443,9 @@ ZEND_API int bitwise_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
 		op2_lval = Z_LVAL_P(op2);
 	}
 
+	if (op1 == result) {
+		zval_dtor(result);
+	}
 	ZVAL_LONG(result, op1_lval ^ op2_lval);
 	return SUCCESS;
 }
@@ -1486,6 +1498,9 @@ ZEND_API int shift_left_function(zval *result, zval *op1, zval *op2 TSRMLS_DC) /
 		}
 	}
 
+	if (op1 == result) {
+		zval_dtor(result);
+	}
 	ZVAL_LONG(result, op1_lval << op2_lval);
 	return SUCCESS;
 }
@@ -1538,6 +1553,9 @@ ZEND_API int shift_right_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
 		}
 	}
 
+	if (op1 == result) {
+		zval_dtor(result);
+	}
 	ZVAL_LONG(result, op1_lval >> op2_lval);
 	return SUCCESS;
 }