Fixed type-infer on ZEND_FETCH_DIM_FUNC_ARG

php · Aug 17, 2017 · 30fb70d · 30fb70d
1 parent 4e03ebc
commit 30fb70d
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/ext/opcache/Optimizer/zend_inference.c b/ext/opcache/Optimizer/zend_inference.c
@@ -2978,9 +2978,15 @@ static int zend_update_type_info(const zend_op_array *op_array,
 						}
 						tmp |= MAY_BE_ARRAY | MAY_BE_RC1;
 					}
-					if (t1 & (MAY_BE_STRING|MAY_BE_ARRAY)) {
+					if (t1 & MAY_BE_STRING) {
 						tmp |= MAY_BE_RC1;
 					}
+					if (t1 & MAY_BE_ARRAY) {
+						tmp |= MAY_BE_RC1;
+						if (opline->opcode == ZEND_FETCH_DIM_FUNC_ARG) {
+							tmp |= MAY_BE_RCN;
+						}
+					}
 					if (t1 & (MAY_BE_OBJECT|MAY_BE_RESOURCE)) {
 						tmp |= t1 & (MAY_BE_RC1|MAY_BE_RCN);
 					}