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Infer value is not undef within foreach #4982

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Infer value is not undef within foreach #4982

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2 changes: 1 addition & 1 deletion ext/opcache/Optimizer/zend_inference.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3285,7 +3285,7 @@ static int zend_update_type_info(const zend_op_array *op_array,
break;
case ZEND_FE_FETCH_R:
case ZEND_FE_FETCH_RW:
tmp = t2;
tmp = t2 & MAY_BE_REF;
if (t1 & MAY_BE_OBJECT) {
if (opline->opcode == ZEND_FE_FETCH_RW) {
tmp |= MAY_BE_REF | MAY_BE_ANY | MAY_BE_ARRAY_KEY_ANY | MAY_BE_ARRAY_OF_ANY | MAY_BE_ARRAY_OF_REF;
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