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Fixed assignment of reference to itself

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This commit is contained in:
Dmitry Stogov 2014-08-14 12:01:28 +04:00
parent 753813e542
commit 25bda5ae3c
1 changed files with 3 additions and 0 deletions
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3
Zend/zend_execute.c
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@ -933,6 +933,9 @@ static inline zval* zend_assign_to_variable(zval *variable_ptr, zval *value TSRM
value = Z_REFVAL_P(value);
}
if (Z_REFCOUNTED_P(value)) {
if (UNEXPECTED(variable_ptr == value)) {
return variable_ptr;
}
Z_ADDREF_P(value);
}
}