#13536: Program which terminates instantly in GHC 8.0.2 runs for minutes with 8.2.1 -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: merge Priority: highest | Milestone: 8.2.1 Component: Compiler | Version: 8.1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: T13536 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3437 Wiki Page: | -------------------------------------+------------------------------------- Changes (by nomeata): * testcase: => T13536 Comment:
So please let's add it as a regression test! (To HEAD at least.) Thanks.
How do we robustly test whether a program is “fast”? I already did add a regression test that checks for the particular problem much more targetedly. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13536#comment:26 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler