Disable add/sub asm for gcc 4.9 pic/pie builds

Author: orlitzky

Zend/zend_operators.h

@@ -510,7 +510,10 @@ static zend_always_inline void fast_long_decrement_function(zval *op1)
 
 static zend_always_inline void fast_long_add_function(zval *result, zval *op1, zval *op2)
 {
-#if defined(__GNUC__) && defined(__i386__) && !(4 == __GNUC__ && 8 == __GNUC_MINOR__)
+#if defined(__GNUC__) && defined(__i386__) \
+	&& !(4 == __GNUC__ && 8 == __GNUC_MINOR__) \
+	&& !(4 == __GNUC__ && 9 == __GNUC_MINOR__ && (defined(__PIC__) || defined(__PIE__)))
+	/* Position-independent builds fail with gcc-4.9.x */
 	__asm__(
 		"movl	(%1), %%eax\n\t"
 		"addl   (%2), %%eax\n\t"
@@ -596,7 +599,10 @@ static zend_always_inline int fast_add_function(zval *result, zval *op1, zval *o
 
 static zend_always_inline void fast_long_sub_function(zval *result, zval *op1, zval *op2)
 {
-#if defined(__GNUC__) && defined(__i386__) && !(4 == __GNUC__ && 8 == __GNUC_MINOR__)
+#if defined(__GNUC__) && defined(__i386__) && \
+	!(4 == __GNUC__ && 8 == __GNUC_MINOR__) && \
+	!(4 == __GNUC__ && 9 == __GNUC_MINOR__ && (defined(__PIC__) || defined(__PIE__)))
+	/* Position-independent builds fail with gcc-4.9.x */
 	__asm__(
 		"movl	(%1), %%eax\n\t"
 		"subl   (%2), %%eax\n\t"