I was reading Intel SGX SDK for Linux Reference, and I found a typo here:
In table 17 on page 390, it says that the error name of value 0x2009 is SGX_EEROR_INVALID_METADATA, and I think 'EEROR' is a typo!
Yes, you are right. We will fix it in next release doc. Thanks.
For more complete information about compiler optimizations, see our Optimization Notice.