#9049: Expose srcLoc from the assertion architecture to allow better error messages -------------------------------------+------------------------------------- Reporter: nh2 | Owner: gridaphobe Type: feature request | Status: closed Priority: normal | Milestone: 7.12.1 Component: Compiler | Version: 7.8.2 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: None/Unknown | Unknown/Multiple Blocked By: | Test Case: Related Tickets: | Blocking: | Differential Revisions: Phab:D578 -------------------------------------+------------------------------------- Comment (by hvr): Replying to [comment:37 gridaphobe]:
Does it actually break any client packages? There was talk of building stackage with the backport to investigate.
Yeah, one single package from Stackage seems to be affected by this: {{{ [11 of 14] Compiling HsWalk ( HsWalk.hs, dist/build/ide-backend- server/ide-backend-server-tmp/HsWalk.o ) HsWalk.hs:136:35: Couldn't match expected type ‘SrcSpan’ with actual type ‘RealSrcSpan’ In the first argument of ‘go’, namely ‘span’ In the second argument of ‘($)’, namely ‘go span’ }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9049#comment:38 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler