{"action":"opened","issue":{"url":"https://api.github.com/repos/nickg/nvc/issues/127","labels_url":"https://api.github.com/repos/nickg/nvc/issues/127/labels{/name}","comments_url":"https://api.github.com/repos/nickg/nvc/issues/127/comments","events_url":"https://api.github.com/repos/nickg/nvc/issues/127/events","html_url":"https://github.com/nickg/nvc/issues/127","id":69119533,"number":127,"title":"Cannot fold constant logical expressions involving enumerations","user":{"login":"nickg","id":11442,"avatar_url":"https://avatars.githubusercontent.com/u/11442?v=3","gravatar_id":"","url":"https://api.github.com/users/nickg","html_url":"https://github.com/nickg","followers_url":"https://api.github.com/users/nickg/followers","following_url":"https://api.github.com/users/nickg/following{/other_user}","gists_url":"https://api.github.com/users/nickg/gists{/gist_id}","starred_url":"https://api.github.com/users/nickg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nickg/subscriptions","organizations_url":"https://api.github.com/users/nickg/orgs","repos_url":"https://api.github.com/users/nickg/repos","events_url":"https://api.github.com/users/nickg/events{/privacy}","received_events_url":"https://api.github.com/users/nickg/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-04-17T11:18:48Z","updated_at":"2015-04-17T11:18:48Z","closed_at":null,"body":"E.g. with the Lattice iCE40 simulation libraries:\r\n\r\n```vhdl\r\nS: if(TEST_MODE='0') generate\r\n```\r\n\r\n```\r\n** Fatal: expression cannot be folded to an integer constant\r\n        File /opt/lscc/iCEcube2.2014.12/vhdl/sb_ice_syn_vital.vhd, Line 14279\r\n```"}}