#12996: Memory leak in recursion when switching from -O1 to -O2 -------------------------------------+------------------------------------- Reporter: AndreasK | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: fixed | Keywords: Memory leak, | optimization Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Runtime | Test Case: performance bug | testsuite/tests/perf/should_run/T12996 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by simonpj): * status: new => closed * testcase: => testsuite/tests/perf/should_run/T12996 * resolution: => fixed Comment: Thank you AndreasK. It's hard to tickle this bug, but when tickled it can make things exponentially expensive as you discovered. Thanks for the nice test case. I'll close this, leaving #11731 open so that we remember to merge to 8.0.3 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12996#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler