#7881: Warning for pointless ranges like [5..2] -------------------------------------+--------------------------------- Reporter: mpe | Owner: Type: feature request | Status: closed Priority: normal | Milestone: 7.8.1 Component: Compiler | Version: 7.6.3 Resolution: fixed | Keywords: beginner,warning Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | -------------------------------------+--------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"0eb8fcd94b29ee9997b386e64203037bdf2aaa04/ghc" 0eb8fcd9/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="0eb8fcd94b29ee9997b386e64203037bdf2aaa04" Enable `Enumeration is empty` warnings for `Integer` This warning was implemented via abb3a9faa88fad3562ac41a148dd683765f47565 for addressing #7881. The bounded H2010 integral types were handled, but the `Integer` type was missed for the enumeration warning. Fixes #10929 Test Plan: reused T7881 testcase Reviewers: thomie, bgamari, austin Reviewed By: thomie, bgamari, austin Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D1305 GHC Trac Issues: #10929 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7881#comment:4> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler