Hello, I saw the same error and it appears to be related to upgrading to clang 9.0.0 in XCode 9.0. After upgrading root does not build at all. I made the following JIRA ticket: https://sft.its.cern.ch/jira/browse/ROOT-9015
Hello, I saw the same error and it appears to be related to upgrading to clang 9.0.0 in XCode 9.0. After upgrading root does not build at all. I made the following JIRA ticket: https://sft.its.cern.ch/jira/browse/ROOT-9015